4139980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15923}}^1$

素因数の和:15945

約数の個数: 24

約数和(自身を含む): 9363312

約数和(自身を除く): 5223332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 15923, 31846, 63692, 79615, 159230, 206999, 318460, 413998, 827996, 1034995, 2069990, 4139980]

約数ペア:

[(1, 4139980), (2, 2069990), (4, 1034995), (5, 827996), (10, 413998), (13, 318460), (20, 206999), (26, 159230), (52, 79615), (65, 63692), (130, 31846), (260, 15923)]