839772580

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{415729}}^1$

素因数の和:415839

約数の個数: 24

約数和(自身を含む): 1780987320

約数和(自身を除く): 941214740

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 415729, 831458, 1662916, 2078645, 4157290, 8314580, 41988629, 83977258, 167954516, 209943145, 419886290, 839772580]

約数ペア:

[(1, 839772580), (2, 419886290), (4, 209943145), (5, 167954516), (10, 83977258), (20, 41988629), (101, 8314580), (202, 4157290), (404, 2078645), (505, 1662916), (1010, 831458), (2020, 415729)]