51508990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{3923}}^1$

素因数の和:4044

約数の個数: 32

約数和(自身を含む): 100862496

約数和(自身を除く): 49353506

約数列:

[1, 2, 5, 10, 13, 26, 65, 101, 130, 202, 505, 1010, 1313, 2626, 3923, 6565, 7846, 13130, 19615, 39230, 50999, 101998, 254995, 396223, 509990, 792446, 1981115, 3962230, 5150899, 10301798, 25754495, 51508990]

約数ペア:

[(1, 51508990), (2, 25754495), (5, 10301798), (10, 5150899), (13, 3962230), (26, 1981115), (65, 792446), (101, 509990), (130, 396223), (202, 254995), (505, 101998), (1010, 50999), (1313, 39230), (2626, 19615), (3923, 13130), (6565, 7846)]