30290320

素因数分解:

$2^4\times 5^1\times {\mathrm{378629}}^1$

素因数の和:378642

約数の個数: 20

約数和(自身を含む): 70425180

約数和(自身を除く): 40134860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 378629, 757258, 1514516, 1893145, 3029032, 3786290, 6058064, 7572580, 15145160, 30290320]

約数ペア:

[(1, 30290320), (2, 15145160), (4, 7572580), (5, 6058064), (8, 3786290), (10, 3029032), (16, 1893145), (20, 1514516), (40, 757258), (80, 378629)]