3172640

素因数分解:

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

素因数の和:345

約数の個数: 48

約数和(自身を含む): 7620480

約数和(自身を除く): 4447840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 251, 316, 395, 502, 632, 790, 1004, 1255, 1264, 1580, 2008, 2510, 2528, 3160, 4016, 5020, 6320, 8032, 10040, 12640, 19829, 20080, 39658, 40160, 79316, 99145, 158632, 198290, 317264, 396580, 634528, 793160, 1586320, 3172640]

約数ペア:

[(1, 3172640), (2, 1586320), (4, 793160), (5, 634528), (8, 396580), (10, 317264), (16, 198290), (20, 158632), (32, 99145), (40, 79316), (79, 40160), (80, 39658), (158, 20080), (160, 19829), (251, 12640), (316, 10040), (395, 8032), (502, 6320), (632, 5020), (790, 4016), (1004, 3160), (1255, 2528), (1264, 2510), (1580, 2008)]