12644900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{4079}}^1$

素因数の和:4124

約数の個数: 36

約数和(自身を含む): 28331520

約数和(自身を除く): 15686620

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 4079, 8158, 16316, 20395, 40790, 81580, 101975, 126449, 203950, 252898, 407900, 505796, 632245, 1264490, 2528980, 3161225, 6322450, 12644900]

約数ペア:

[(1, 12644900), (2, 6322450), (4, 3161225), (5, 2528980), (10, 1264490), (20, 632245), (25, 505796), (31, 407900), (50, 252898), (62, 203950), (100, 126449), (124, 101975), (155, 81580), (310, 40790), (620, 20395), (775, 16316), (1550, 8158), (3100, 4079)]