18040100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{13877}}^1$

素因数の和:13904

約数の個数: 36

約数和(自身を含む): 42161364

約数和(自身を除く): 24121264

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 13877, 27754, 55508, 69385, 138770, 180401, 277540, 346925, 360802, 693850, 721604, 902005, 1387700, 1804010, 3608020, 4510025, 9020050, 18040100]

約数ペア:

[(1, 18040100), (2, 9020050), (4, 4510025), (5, 3608020), (10, 1804010), (13, 1387700), (20, 902005), (25, 721604), (26, 693850), (50, 360802), (52, 346925), (65, 277540), (100, 180401), (130, 138770), (260, 69385), (325, 55508), (650, 27754), (1300, 13877)]