31507615520

素因数分解:

$2^5\times 5^1\times {\mathrm{821}}^1\times {\mathrm{239857}}^1$

素因数の和:240693

約数の個数: 48

約数和(自身を含む): 74527718328

約数和(自身を除く): 43020102808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 821, 1642, 3284, 4105, 6568, 8210, 13136, 16420, 26272, 32840, 65680, 131360, 239857, 479714, 959428, 1199285, 1918856, 2398570, 3837712, 4797140, 7675424, 9594280, 19188560, 38377120, 196922597, 393845194, 787690388, 984612985, 1575380776, 1969225970, 3150761552, 3938451940, 6301523104, 7876903880, 15753807760, 31507615520]

約数ペア:

[(1, 31507615520), (2, 15753807760), (4, 7876903880), (5, 6301523104), (8, 3938451940), (10, 3150761552), (16, 1969225970), (20, 1575380776), (32, 984612985), (40, 787690388), (80, 393845194), (160, 196922597), (821, 38377120), (1642, 19188560), (3284, 9594280), (4105, 7675424), (6568, 4797140), (8210, 3837712), (13136, 2398570), (16420, 1918856), (26272, 1199285), (32840, 959428), (65680, 479714), (131360, 239857)]