80177890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 162408960

約数和(自身を除く): 82231070

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 79, 130, 158, 185, 211, 370, 395, 422, 481, 790, 962, 1027, 1055, 2054, 2110, 2405, 2743, 2923, 4810, 5135, 5486, 5846, 7807, 10270, 13715, 14615, 15614, 16669, 27430, 29230, 33338, 37999, 39035, 75998, 78070, 83345, 101491, 166690, 189995, 202982, 216697, 379990, 433394, 507455, 616753, 1014910, 1083485, 1233506, 2166970, 3083765, 6167530, 8017789, 16035578, 40088945, 80177890]

約数ペア:

[(1, 80177890), (2, 40088945), (5, 16035578), (10, 8017789), (13, 6167530), (26, 3083765), (37, 2166970), (65, 1233506), (74, 1083485), (79, 1014910), (130, 616753), (158, 507455), (185, 433394), (211, 379990), (370, 216697), (395, 202982), (422, 189995), (481, 166690), (790, 101491), (962, 83345), (1027, 78070), (1055, 75998), (2054, 39035), (2110, 37999), (2405, 33338), (2743, 29230), (2923, 27430), (4810, 16669), (5135, 15614), (5486, 14615), (5846, 13715), (7807, 10270)]