28502240

素因数分解:

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

素因数の和:292

約数の個数: 96

約数和(自身を含む): 73918656

約数和(自身を除く): 45416416

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 71, 80, 104, 130, 142, 160, 193, 208, 260, 284, 355, 386, 416, 520, 568, 710, 772, 923, 965, 1040, 1136, 1420, 1544, 1846, 1930, 2080, 2272, 2509, 2840, 3088, 3692, 3860, 4615, 5018, 5680, 6176, 7384, 7720, 9230, 10036, 11360, 12545, 13703, 14768, 15440, 18460, 20072, 25090, 27406, 29536, 30880, 36920, 40144, 50180, 54812, 68515, 73840, 80288, 100360, 109624, 137030, 147680, 178139, 200720, 219248, 274060, 356278, 401440, 438496, 548120, 712556, 890695, 1096240, 1425112, 1781390, 2192480, 2850224, 3562780, 5700448, 7125560, 14251120, 28502240]

約数ペア:

[(1, 28502240), (2, 14251120), (4, 7125560), (5, 5700448), (8, 3562780), (10, 2850224), (13, 2192480), (16, 1781390), (20, 1425112), (26, 1096240), (32, 890695), (40, 712556), (52, 548120), (65, 438496), (71, 401440), (80, 356278), (104, 274060), (130, 219248), (142, 200720), (160, 178139), (193, 147680), (208, 137030), (260, 109624), (284, 100360), (355, 80288), (386, 73840), (416, 68515), (520, 54812), (568, 50180), (710, 40144), (772, 36920), (923, 30880), (965, 29536), (1040, 27406), (1136, 25090), (1420, 20072), (1544, 18460), (1846, 15440), (1930, 14768), (2080, 13703), (2272, 12545), (2509, 11360), (2840, 10036), (3088, 9230), (3692, 7720), (3860, 7384), (4615, 6176), (5018, 5680)]