159340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:297

約数の個数: 24

約数和(自身を含む): 346752

約数和(自身を除く): 187412

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 257, 310, 514, 620, 1028, 1285, 2570, 5140, 7967, 15934, 31868, 39835, 79670, 159340]

約数ペア:

[(1, 159340), (2, 79670), (4, 39835), (5, 31868), (10, 15934), (20, 7967), (31, 5140), (62, 2570), (124, 1285), (155, 1028), (257, 620), (310, 514)]