126236480

素因数分解:

$2^6\times 5^1\times {\mathrm{394489}}^1$

素因数の和:394506

約数の個数: 28

約数和(自身を含む): 300601380

約数和(自身を除く): 174364900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 394489, 788978, 1577956, 1972445, 3155912, 3944890, 6311824, 7889780, 12623648, 15779560, 25247296, 31559120, 63118240, 126236480]

約数ペア:

[(1, 126236480), (2, 63118240), (4, 31559120), (5, 25247296), (8, 15779560), (10, 12623648), (16, 7889780), (20, 6311824), (32, 3944890), (40, 3155912), (64, 1972445), (80, 1577956), (160, 788978), (320, 394489)]