64688720

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{6367}}^1$

素因数の和:6507

約数の個数: 40

約数和(自身を含む): 151609344

約数和(自身を除く): 86920624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 6367, 10160, 12734, 25468, 31835, 50936, 63670, 101872, 127340, 254680, 509360, 808609, 1617218, 3234436, 4043045, 6468872, 8086090, 12937744, 16172180, 32344360, 64688720]

約数ペア:

[(1, 64688720), (2, 32344360), (4, 16172180), (5, 12937744), (8, 8086090), (10, 6468872), (16, 4043045), (20, 3234436), (40, 1617218), (80, 808609), (127, 509360), (254, 254680), (508, 127340), (635, 101872), (1016, 63670), (1270, 50936), (2032, 31835), (2540, 25468), (5080, 12734), (6367, 10160)]