28631440

素因数分解:

$2^4\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1129}}^1$

素因数の和:1459

約数の個数: 40

約数和(自身を含む): 66837240

約数和(自身を除く): 38205800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317, 634, 1129, 1268, 1585, 2258, 2536, 3170, 4516, 5072, 5645, 6340, 9032, 11290, 12680, 18064, 22580, 25360, 45160, 90320, 357893, 715786, 1431572, 1789465, 2863144, 3578930, 5726288, 7157860, 14315720, 28631440]

約数ペア:

[(1, 28631440), (2, 14315720), (4, 7157860), (5, 5726288), (8, 3578930), (10, 2863144), (16, 1789465), (20, 1431572), (40, 715786), (80, 357893), (317, 90320), (634, 45160), (1129, 25360), (1268, 22580), (1585, 18064), (2258, 12680), (2536, 11290), (3170, 9032), (4516, 6340), (5072, 5645)]