78860080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{397}}^1$

素因数の和:614

約数の個数: 80

約数和(自身を含む): 198987264

約数和(自身を除く): 120127184

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 191, 208, 260, 382, 397, 520, 764, 794, 955, 1040, 1528, 1588, 1910, 1985, 2483, 3056, 3176, 3820, 3970, 4966, 5161, 6352, 7640, 7940, 9932, 10322, 12415, 15280, 15880, 19864, 20644, 24830, 25805, 31760, 39728, 41288, 49660, 51610, 75827, 82576, 99320, 103220, 151654, 198640, 206440, 303308, 379135, 412880, 606616, 758270, 985751, 1213232, 1516540, 1971502, 3033080, 3943004, 4928755, 6066160, 7886008, 9857510, 15772016, 19715020, 39430040, 78860080]

約数ペア:

[(1, 78860080), (2, 39430040), (4, 19715020), (5, 15772016), (8, 9857510), (10, 7886008), (13, 6066160), (16, 4928755), (20, 3943004), (26, 3033080), (40, 1971502), (52, 1516540), (65, 1213232), (80, 985751), (104, 758270), (130, 606616), (191, 412880), (208, 379135), (260, 303308), (382, 206440), (397, 198640), (520, 151654), (764, 103220), (794, 99320), (955, 82576), (1040, 75827), (1528, 51610), (1588, 49660), (1910, 41288), (1985, 39728), (2483, 31760), (3056, 25805), (3176, 24830), (3820, 20644), (3970, 19864), (4966, 15880), (5161, 15280), (6352, 12415), (7640, 10322), (7940, 9932)]