1809820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5323}}^1$

素因数の和:5349

約数の個数: 24

約数和(自身を含む): 4024944

約数和(自身を除く): 2215124

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 5323, 10646, 21292, 26615, 53230, 90491, 106460, 180982, 361964, 452455, 904910, 1809820]

約数ペア:

[(1, 1809820), (2, 904910), (4, 452455), (5, 361964), (10, 180982), (17, 106460), (20, 90491), (34, 53230), (68, 26615), (85, 21292), (170, 10646), (340, 5323)]