2021092840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3886717}}^1$

素因数の和:3886741

約数の個数: 32

約数和(自身を含む): 4897264680

約数和(自身を除く): 2876171840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3886717, 7773434, 15546868, 19433585, 31093736, 38867170, 50527321, 77734340, 101054642, 155468680, 202109284, 252636605, 404218568, 505273210, 1010546420, 2021092840]

約数ペア:

[(1, 2021092840), (2, 1010546420), (4, 505273210), (5, 404218568), (8, 252636605), (10, 202109284), (13, 155468680), (20, 101054642), (26, 77734340), (40, 50527321), (52, 38867170), (65, 31093736), (104, 19433585), (130, 15546868), (260, 7773434), (520, 3886717)]