12698920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24421}}^1$

素因数の和:24445

約数の個数: 32

約数和(自身を含む): 30771720

約数和(自身を除く): 18072800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 24421, 48842, 97684, 122105, 195368, 244210, 317473, 488420, 634946, 976840, 1269892, 1587365, 2539784, 3174730, 6349460, 12698920]

約数ペア:

[(1, 12698920), (2, 6349460), (4, 3174730), (5, 2539784), (8, 1587365), (10, 1269892), (13, 976840), (20, 634946), (26, 488420), (40, 317473), (52, 244210), (65, 195368), (104, 122105), (130, 97684), (260, 48842), (520, 24421)]