38959960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74923}}^1$

素因数の和:74947

約数の個数: 32

約数和(自身を含む): 94404240

約数和(自身を除く): 55444280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 74923, 149846, 299692, 374615, 599384, 749230, 973999, 1498460, 1947998, 2996920, 3895996, 4869995, 7791992, 9739990, 19479980, 38959960]

約数ペア:

[(1, 38959960), (2, 19479980), (4, 9739990), (5, 7791992), (8, 4869995), (10, 3895996), (13, 2996920), (20, 1947998), (26, 1498460), (40, 973999), (52, 749230), (65, 599384), (104, 374615), (130, 299692), (260, 149846), (520, 74923)]