164840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 400680

約数和(自身を除く): 235840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 317, 520, 634, 1268, 1585, 2536, 3170, 4121, 6340, 8242, 12680, 16484, 20605, 32968, 41210, 82420, 164840]

約数ペア:

[(1, 164840), (2, 82420), (4, 41210), (5, 32968), (8, 20605), (10, 16484), (13, 12680), (20, 8242), (26, 6340), (40, 4121), (52, 3170), (65, 2536), (104, 1585), (130, 1268), (260, 634), (317, 520)]