99410320

素因数分解:

$2^4\times 5^1\times {\mathrm{1242629}}^1$

素因数の和:1242642

約数の個数: 20

約数和(自身を含む): 231129180

約数和(自身を除く): 131718860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1242629, 2485258, 4970516, 6213145, 9941032, 12426290, 19882064, 24852580, 49705160, 99410320]

約数ペア:

[(1, 99410320), (2, 49705160), (4, 24852580), (5, 19882064), (8, 12426290), (10, 9941032), (16, 6213145), (20, 4970516), (40, 2485258), (80, 1242629)]