39430040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{397}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 96284160

約数和(自身を除く): 56854120

約数列:

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

約数ペア:

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