8458039720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{1187}}^1$

素因数の和:1475

約数の個数: 128

約数和(自身を含む): 20908419840

約数和(自身を除く): 12450380120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 193, 260, 284, 355, 386, 520, 568, 710, 772, 923, 965, 1187, 1420, 1544, 1846, 1930, 2374, 2509, 2840, 3692, 3860, 4615, 4748, 5018, 5935, 7384, 7720, 9230, 9496, 10036, 11870, 12545, 13703, 15431, 18460, 20072, 23740, 25090, 27406, 30862, 36920, 47480, 50180, 54812, 61724, 68515, 77155, 84277, 100360, 109624, 123448, 137030, 154310, 168554, 178139, 229091, 274060, 308620, 337108, 356278, 421385, 458182, 548120, 617240, 674216, 712556, 842770, 890695, 916364, 1095601, 1145455, 1425112, 1685540, 1781390, 1832728, 2191202, 2290910, 2978183, 3371080, 3562780, 4382404, 4581820, 5478005, 5956366, 7125560, 8764808, 9163640, 10956010, 11912732, 14890915, 16265461, 21912020, 23825464, 29781830, 32530922, 43824040, 59563660, 65061844, 81327305, 119127320, 130123688, 162654610, 211450993, 325309220, 422901986, 650618440, 845803972, 1057254965, 1691607944, 2114509930, 4229019860, 8458039720]

約数ペア:

[(1, 8458039720), (2, 4229019860), (4, 2114509930), (5, 1691607944), (8, 1057254965), (10, 845803972), (13, 650618440), (20, 422901986), (26, 325309220), (40, 211450993), (52, 162654610), (65, 130123688), (71, 119127320), (104, 81327305), (130, 65061844), (142, 59563660), (193, 43824040), (260, 32530922), (284, 29781830), (355, 23825464), (386, 21912020), (520, 16265461), (568, 14890915), (710, 11912732), (772, 10956010), (923, 9163640), (965, 8764808), (1187, 7125560), (1420, 5956366), (1544, 5478005), (1846, 4581820), (1930, 4382404), (2374, 3562780), (2509, 3371080), (2840, 2978183), (3692, 2290910), (3860, 2191202), (4615, 1832728), (4748, 1781390), (5018, 1685540), (5935, 1425112), (7384, 1145455), (7720, 1095601), (9230, 916364), (9496, 890695), (10036, 842770), (11870, 712556), (12545, 674216), (13703, 617240), (15431, 548120), (18460, 458182), (20072, 421385), (23740, 356278), (25090, 337108), (27406, 308620), (30862, 274060), (36920, 229091), (47480, 178139), (50180, 168554), (54812, 154310), (61724, 137030), (68515, 123448), (77155, 109624), (84277, 100360)]