2801780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4519}}^1$

素因数の和:4559

約数の個数: 24

約数和(自身を含む): 6074880

約数和(自身を除く): 3273100

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 4519, 9038, 18076, 22595, 45190, 90380, 140089, 280178, 560356, 700445, 1400890, 2801780]

約数ペア:

[(1, 2801780), (2, 1400890), (4, 700445), (5, 560356), (10, 280178), (20, 140089), (31, 90380), (62, 45190), (124, 22595), (155, 18076), (310, 9038), (620, 4519)]