64020890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{206519}}^1$

素因数の和:206557

約数の個数: 16

約数和(自身を含む): 118955520

約数和(自身を除く): 54934630

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 206519, 413038, 1032595, 2065190, 6402089, 12804178, 32010445, 64020890]

約数ペア:

[(1, 64020890), (2, 32010445), (5, 12804178), (10, 6402089), (31, 2065190), (62, 1032595), (155, 413038), (310, 206519)]