12690560

素因数分解:

$2^7\times 5^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:349

約数の個数: 64

約数和(自身を含む): 30844800

約数和(自身を除く): 18154240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 251, 316, 320, 395, 502, 632, 640, 790, 1004, 1255, 1264, 1580, 2008, 2510, 2528, 3160, 4016, 5020, 5056, 6320, 8032, 10040, 10112, 12640, 16064, 19829, 20080, 25280, 32128, 39658, 40160, 50560, 79316, 80320, 99145, 158632, 160640, 198290, 317264, 396580, 634528, 793160, 1269056, 1586320, 2538112, 3172640, 6345280, 12690560]

約数ペア:

[(1, 12690560), (2, 6345280), (4, 3172640), (5, 2538112), (8, 1586320), (10, 1269056), (16, 793160), (20, 634528), (32, 396580), (40, 317264), (64, 198290), (79, 160640), (80, 158632), (128, 99145), (158, 80320), (160, 79316), (251, 50560), (316, 40160), (320, 39658), (395, 32128), (502, 25280), (632, 20080), (640, 19829), (790, 16064), (1004, 12640), (1255, 10112), (1264, 10040), (1580, 8032), (2008, 6320), (2510, 5056), (2528, 5020), (3160, 4016)]