202217080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{388879}}^1$

素因数の和:388903

約数の個数: 32

約数和(自身を含む): 489988800

約数和(自身を除く): 287771720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 388879, 777758, 1555516, 1944395, 3111032, 3888790, 5055427, 7777580, 10110854, 15555160, 20221708, 25277135, 40443416, 50554270, 101108540, 202217080]

約数ペア:

[(1, 202217080), (2, 101108540), (4, 50554270), (5, 40443416), (8, 25277135), (10, 20221708), (13, 15555160), (20, 10110854), (26, 7777580), (40, 5055427), (52, 3888790), (65, 3111032), (104, 1944395), (130, 1555516), (260, 777758), (520, 388879)]