122978960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{118249}}^1$

素因数の和:118275

約数の個数: 40

約数和(自身を含む): 307923000

約数和(自身を除く): 184944040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 118249, 236498, 472996, 591245, 945992, 1182490, 1537237, 1891984, 2364980, 3074474, 4729960, 6148948, 7686185, 9459920, 12297896, 15372370, 24595792, 30744740, 61489480, 122978960]

約数ペア:

[(1, 122978960), (2, 61489480), (4, 30744740), (5, 24595792), (8, 15372370), (10, 12297896), (13, 9459920), (16, 7686185), (20, 6148948), (26, 4729960), (40, 3074474), (52, 2364980), (65, 1891984), (80, 1537237), (104, 1182490), (130, 945992), (208, 591245), (260, 472996), (520, 236498), (1040, 118249)]