31144160

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3191}}^1$

素因数の和:3267

約数の個数: 48

約数和(自身を含む): 74807712

約数和(自身を除く): 43663552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 3191, 4880, 6382, 9760, 12764, 15955, 25528, 31910, 51056, 63820, 102112, 127640, 194651, 255280, 389302, 510560, 778604, 973255, 1557208, 1946510, 3114416, 3893020, 6228832, 7786040, 15572080, 31144160]

約数ペア:

[(1, 31144160), (2, 15572080), (4, 7786040), (5, 6228832), (8, 3893020), (10, 3114416), (16, 1946510), (20, 1557208), (32, 973255), (40, 778604), (61, 510560), (80, 389302), (122, 255280), (160, 194651), (244, 127640), (305, 102112), (488, 63820), (610, 51056), (976, 31910), (1220, 25528), (1952, 15955), (2440, 12764), (3191, 9760), (4880, 6382)]