100819720

素因数分解:

$2^3\times 5^1\times {\mathrm{433}}^1\times {\mathrm{5821}}^1$

素因数の和:6265

約数の個数: 32

約数和(自身を含む): 227407320

約数和(自身を除く): 126587600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 433, 866, 1732, 2165, 3464, 4330, 5821, 8660, 11642, 17320, 23284, 29105, 46568, 58210, 116420, 232840, 2520493, 5040986, 10081972, 12602465, 20163944, 25204930, 50409860, 100819720]

約数ペア:

[(1, 100819720), (2, 50409860), (4, 25204930), (5, 20163944), (8, 12602465), (10, 10081972), (20, 5040986), (40, 2520493), (433, 232840), (866, 116420), (1732, 58210), (2165, 46568), (3464, 29105), (4330, 23284), (5821, 17320), (8660, 11642)]