72122240

素因数分解:

$2^7\times 5^1\times {\mathrm{112691}}^1$

素因数の和:112710

約数の個数: 32

約数和(自身を含む): 172418760

約数和(自身を除く): 100296520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 112691, 225382, 450764, 563455, 901528, 1126910, 1803056, 2253820, 3606112, 4507640, 7212224, 9015280, 14424448, 18030560, 36061120, 72122240]

約数ペア:

[(1, 72122240), (2, 36061120), (4, 18030560), (5, 14424448), (8, 9015280), (10, 7212224), (16, 4507640), (20, 3606112), (32, 2253820), (40, 1803056), (64, 1126910), (80, 901528), (128, 563455), (160, 450764), (320, 225382), (640, 112691)]