659360

素因数分解:

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

素因数の和:345

約数の個数: 48

約数和(自身を含む): 1682856

約数和(自身を除く): 1023496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 317, 416, 520, 634, 1040, 1268, 1585, 2080, 2536, 3170, 4121, 5072, 6340, 8242, 10144, 12680, 16484, 20605, 25360, 32968, 41210, 50720, 65936, 82420, 131872, 164840, 329680, 659360]

約数ペア:

[(1, 659360), (2, 329680), (4, 164840), (5, 131872), (8, 82420), (10, 65936), (13, 50720), (16, 41210), (20, 32968), (26, 25360), (32, 20605), (40, 16484), (52, 12680), (65, 10144), (80, 8242), (104, 6340), (130, 5072), (160, 4121), (208, 3170), (260, 2536), (317, 2080), (416, 1585), (520, 1268), (634, 1040)]