79921880

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{37699}}^1$

素因数の和:37763

約数の個数: 32

約数和(自身を含む): 183222000

約数和(自身を除く): 103300120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 37699, 75398, 150796, 188495, 301592, 376990, 753980, 1507960, 1998047, 3996094, 7992188, 9990235, 15984376, 19980470, 39960940, 79921880]

約数ペア:

[(1, 79921880), (2, 39960940), (4, 19980470), (5, 15984376), (8, 9990235), (10, 7992188), (20, 3996094), (40, 1998047), (53, 1507960), (106, 753980), (212, 376990), (265, 301592), (424, 188495), (530, 150796), (1060, 75398), (2120, 37699)]