51917840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49921}}^1$

素因数の和:49947

約数の個数: 40

約数和(自身を含む): 129996888

約数和(自身を除く): 78079048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 49921, 99842, 199684, 249605, 399368, 499210, 648973, 798736, 998420, 1297946, 1996840, 2595892, 3244865, 3993680, 5191784, 6489730, 10383568, 12979460, 25958920, 51917840]

約数ペア:

[(1, 51917840), (2, 25958920), (4, 12979460), (5, 10383568), (8, 6489730), (10, 5191784), (13, 3993680), (16, 3244865), (20, 2595892), (26, 1996840), (40, 1297946), (52, 998420), (65, 798736), (80, 648973), (104, 499210), (130, 399368), (208, 249605), (260, 199684), (520, 99842), (1040, 49921)]