9872840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4657}}^1$

素因数の和:4721

約数の個数: 32

約数和(自身を含む): 22637880

約数和(自身を除く): 12765040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 4657, 9314, 18628, 23285, 37256, 46570, 93140, 186280, 246821, 493642, 987284, 1234105, 1974568, 2468210, 4936420, 9872840]

約数ペア:

[(1, 9872840), (2, 4936420), (4, 2468210), (5, 1974568), (8, 1234105), (10, 987284), (20, 493642), (40, 246821), (53, 186280), (106, 93140), (212, 46570), (265, 37256), (424, 23285), (530, 18628), (1060, 9314), (2120, 4657)]