82488640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:360

約数の個数: 112

約数和(自身を含む): 215066880

約数和(自身を除く): 132578240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 79, 80, 104, 130, 158, 160, 208, 251, 260, 316, 320, 395, 416, 502, 520, 632, 790, 832, 1004, 1027, 1040, 1255, 1264, 1580, 2008, 2054, 2080, 2510, 2528, 3160, 3263, 4016, 4108, 4160, 5020, 5056, 5135, 6320, 6526, 8032, 8216, 10040, 10270, 12640, 13052, 16064, 16315, 16432, 19829, 20080, 20540, 25280, 26104, 32630, 32864, 39658, 40160, 41080, 52208, 65260, 65728, 79316, 80320, 82160, 99145, 104416, 130520, 158632, 164320, 198290, 208832, 257777, 261040, 317264, 328640, 396580, 515554, 522080, 634528, 793160, 1031108, 1044160, 1269056, 1288885, 1586320, 2062216, 2577770, 3172640, 4124432, 5155540, 6345280, 8248864, 10311080, 16497728, 20622160, 41244320, 82488640]

約数ペア:

[(1, 82488640), (2, 41244320), (4, 20622160), (5, 16497728), (8, 10311080), (10, 8248864), (13, 6345280), (16, 5155540), (20, 4124432), (26, 3172640), (32, 2577770), (40, 2062216), (52, 1586320), (64, 1288885), (65, 1269056), (79, 1044160), (80, 1031108), (104, 793160), (130, 634528), (158, 522080), (160, 515554), (208, 396580), (251, 328640), (260, 317264), (316, 261040), (320, 257777), (395, 208832), (416, 198290), (502, 164320), (520, 158632), (632, 130520), (790, 104416), (832, 99145), (1004, 82160), (1027, 80320), (1040, 79316), (1255, 65728), (1264, 65260), (1580, 52208), (2008, 41080), (2054, 40160), (2080, 39658), (2510, 32864), (2528, 32630), (3160, 26104), (3263, 25280), (4016, 20540), (4108, 20080), (4160, 19829), (5020, 16432), (5056, 16315), (5135, 16064), (6320, 13052), (6526, 12640), (8032, 10270), (8216, 10040)]