802090640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{4261}}^1$

素因数の和:4468

約数の個数: 80

約数和(自身を含む): 2019881136

約数和(自身を除く): 1217790496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 181, 208, 260, 362, 520, 724, 905, 1040, 1448, 1810, 2353, 2896, 3620, 4261, 4706, 7240, 8522, 9412, 11765, 14480, 17044, 18824, 21305, 23530, 34088, 37648, 42610, 47060, 55393, 68176, 85220, 94120, 110786, 170440, 188240, 221572, 276965, 340880, 443144, 553930, 771241, 886288, 1107860, 1542482, 2215720, 3084964, 3856205, 4431440, 6169928, 7712410, 10026133, 12339856, 15424820, 20052266, 30849640, 40104532, 50130665, 61699280, 80209064, 100261330, 160418128, 200522660, 401045320, 802090640]

約数ペア:

[(1, 802090640), (2, 401045320), (4, 200522660), (5, 160418128), (8, 100261330), (10, 80209064), (13, 61699280), (16, 50130665), (20, 40104532), (26, 30849640), (40, 20052266), (52, 15424820), (65, 12339856), (80, 10026133), (104, 7712410), (130, 6169928), (181, 4431440), (208, 3856205), (260, 3084964), (362, 2215720), (520, 1542482), (724, 1107860), (905, 886288), (1040, 771241), (1448, 553930), (1810, 443144), (2353, 340880), (2896, 276965), (3620, 221572), (4261, 188240), (4706, 170440), (7240, 110786), (8522, 94120), (9412, 85220), (11765, 68176), (14480, 55393), (17044, 47060), (18824, 42610), (21305, 37648), (23530, 34088)]