25030280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{349}}^1$

素因数の和:534

約数の個数: 64

約数和(自身を含む): 61992000

約数和(自身を除く): 36961720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 163, 220, 326, 349, 440, 652, 698, 815, 1304, 1396, 1630, 1745, 1793, 2792, 3260, 3490, 3586, 3839, 6520, 6980, 7172, 7678, 8965, 13960, 14344, 15356, 17930, 19195, 30712, 35860, 38390, 56887, 71720, 76780, 113774, 153560, 227548, 284435, 455096, 568870, 625757, 1137740, 1251514, 2275480, 2503028, 3128785, 5006056, 6257570, 12515140, 25030280]

約数ペア:

[(1, 25030280), (2, 12515140), (4, 6257570), (5, 5006056), (8, 3128785), (10, 2503028), (11, 2275480), (20, 1251514), (22, 1137740), (40, 625757), (44, 568870), (55, 455096), (88, 284435), (110, 227548), (163, 153560), (220, 113774), (326, 76780), (349, 71720), (440, 56887), (652, 38390), (698, 35860), (815, 30712), (1304, 19195), (1396, 17930), (1630, 15356), (1745, 14344), (1793, 13960), (2792, 8965), (3260, 7678), (3490, 7172), (3586, 6980), (3839, 6520)]