12791840

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2579}}^1$

素因数の和:2625

約数の個数: 48

約数和(自身を含む): 31207680

約数和(自身を除く): 18415840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 2579, 4960, 5158, 10316, 12895, 20632, 25790, 41264, 51580, 79949, 82528, 103160, 159898, 206320, 319796, 399745, 412640, 639592, 799490, 1279184, 1598980, 2558368, 3197960, 6395920, 12791840]

約数ペア:

[(1, 12791840), (2, 6395920), (4, 3197960), (5, 2558368), (8, 1598980), (10, 1279184), (16, 799490), (20, 639592), (31, 412640), (32, 399745), (40, 319796), (62, 206320), (80, 159898), (124, 103160), (155, 82528), (160, 79949), (248, 51580), (310, 41264), (496, 25790), (620, 20632), (992, 12895), (1240, 10316), (2480, 5158), (2579, 4960)]