162120400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31177}}^1$

素因数の和:31208

約数の個数: 60

約数和(自身を含む): 419468812

約数和(自身を除く): 257348412

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 31177, 62354, 124708, 155885, 249416, 311770, 405301, 498832, 623540, 779425, 810602, 1247080, 1558850, 1621204, 2026505, 2494160, 3117700, 3242408, 4053010, 6235400, 6484816, 8106020, 10132525, 12470800, 16212040, 20265050, 32424080, 40530100, 81060200, 162120400]

約数ペア:

[(1, 162120400), (2, 81060200), (4, 40530100), (5, 32424080), (8, 20265050), (10, 16212040), (13, 12470800), (16, 10132525), (20, 8106020), (25, 6484816), (26, 6235400), (40, 4053010), (50, 3242408), (52, 3117700), (65, 2494160), (80, 2026505), (100, 1621204), (104, 1558850), (130, 1247080), (200, 810602), (208, 779425), (260, 623540), (325, 498832), (400, 405301), (520, 311770), (650, 249416), (1040, 155885), (1300, 124708), (2600, 62354), (5200, 31177)]