12706900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{4099}}^1$

素因数の和:4144

約数の個数: 36

約数和(自身を含む): 28470400

約数和(自身を除く): 15763500

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 4099, 8198, 16396, 20495, 40990, 81980, 102475, 127069, 204950, 254138, 409900, 508276, 635345, 1270690, 2541380, 3176725, 6353450, 12706900]

約数ペア:

[(1, 12706900), (2, 6353450), (4, 3176725), (5, 2541380), (10, 1270690), (20, 635345), (25, 508276), (31, 409900), (50, 254138), (62, 204950), (100, 127069), (124, 102475), (155, 81980), (310, 40990), (620, 20495), (775, 16396), (1550, 8198), (3100, 4099)]