23920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:49

約数の個数: 40

約数和(自身を含む): 62496

約数和(自身を除く): 38576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1495, 1840, 2392, 2990, 4784, 5980, 11960, 23920]

約数ペア:

[(1, 23920), (2, 11960), (4, 5980), (5, 4784), (8, 2990), (10, 2392), (13, 1840), (16, 1495), (20, 1196), (23, 1040), (26, 920), (40, 598), (46, 520), (52, 460), (65, 368), (80, 299), (92, 260), (104, 230), (115, 208), (130, 184)]