1640456485

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{25889}}^1$

素因数の和:25965

約数の個数: 32

約数和(自身を含む): 2236896000

約数和(自身を除く): 596439515

約数列:

[1, 5, 19, 23, 29, 95, 115, 145, 437, 551, 667, 2185, 2755, 3335, 12673, 25889, 63365, 129445, 491891, 595447, 750781, 2459455, 2977235, 3753905, 11313493, 14264839, 17267963, 56567465, 71324195, 86339815, 328091297, 1640456485]

約数ペア:

[(1, 1640456485), (5, 328091297), (19, 86339815), (23, 71324195), (29, 56567465), (95, 17267963), (115, 14264839), (145, 11313493), (437, 3753905), (551, 2977235), (667, 2459455), (2185, 750781), (2755, 595447), (3335, 491891), (12673, 129445), (25889, 63365)]