899470520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{6577}}^1$

素因数の和:6864

約数の個数: 64

約数和(自身を含む): 2188105920

約数和(自身を除く): 1288635400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 263, 520, 526, 1052, 1315, 2104, 2630, 3419, 5260, 6577, 6838, 10520, 13154, 13676, 17095, 26308, 27352, 32885, 34190, 52616, 65770, 68380, 85501, 131540, 136760, 171002, 263080, 342004, 427505, 684008, 855010, 1710020, 1729751, 3420040, 3459502, 6919004, 8648755, 13838008, 17297510, 22486763, 34595020, 44973526, 69190040, 89947052, 112433815, 179894104, 224867630, 449735260, 899470520]

約数ペア:

[(1, 899470520), (2, 449735260), (4, 224867630), (5, 179894104), (8, 112433815), (10, 89947052), (13, 69190040), (20, 44973526), (26, 34595020), (40, 22486763), (52, 17297510), (65, 13838008), (104, 8648755), (130, 6919004), (260, 3459502), (263, 3420040), (520, 1729751), (526, 1710020), (1052, 855010), (1315, 684008), (2104, 427505), (2630, 342004), (3419, 263080), (5260, 171002), (6577, 136760), (6838, 131540), (10520, 85501), (13154, 68380), (13676, 65770), (17095, 52616), (26308, 34190), (27352, 32885)]