16719950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{887}}^1$

素因数の和:941

約数の個数: 48

約数和(自身を含む): 34685280

約数和(自身を除く): 17965330

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 130, 145, 290, 325, 377, 650, 725, 754, 887, 1450, 1774, 1885, 3770, 4435, 8870, 9425, 11531, 18850, 22175, 23062, 25723, 44350, 51446, 57655, 115310, 128615, 257230, 288275, 334399, 576550, 643075, 668798, 1286150, 1671995, 3343990, 8359975, 16719950]

約数ペア:

[(1, 16719950), (2, 8359975), (5, 3343990), (10, 1671995), (13, 1286150), (25, 668798), (26, 643075), (29, 576550), (50, 334399), (58, 288275), (65, 257230), (130, 128615), (145, 115310), (290, 57655), (325, 51446), (377, 44350), (650, 25723), (725, 23062), (754, 22175), (887, 18850), (1450, 11531), (1774, 9425), (1885, 8870), (3770, 4435)]