329680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1$

素因数の和:343

約数の個数: 40

約数和(自身を含む): 828072

約数和(自身を除く): 498392

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 317, 520, 634, 1040, 1268, 1585, 2536, 3170, 4121, 5072, 6340, 8242, 12680, 16484, 20605, 25360, 32968, 41210, 65936, 82420, 164840, 329680]

約数ペア:

[(1, 329680), (2, 164840), (4, 82420), (5, 65936), (8, 41210), (10, 32968), (13, 25360), (16, 20605), (20, 16484), (26, 12680), (40, 8242), (52, 6340), (65, 5072), (80, 4121), (104, 3170), (130, 2536), (208, 1585), (260, 1268), (317, 1040), (520, 634)]