80773640

素因数分解:

$2^3\times 5^1\times {\mathrm{1069}}^1\times {\mathrm{1889}}^1$

素因数の和:2969

約数の個数: 32

約数和(自身を含む): 182007000

約数和(自身を除く): 101233360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1069, 1889, 2138, 3778, 4276, 5345, 7556, 8552, 9445, 10690, 15112, 18890, 21380, 37780, 42760, 75560, 2019341, 4038682, 8077364, 10096705, 16154728, 20193410, 40386820, 80773640]

約数ペア:

[(1, 80773640), (2, 40386820), (4, 20193410), (5, 16154728), (8, 10096705), (10, 8077364), (20, 4038682), (40, 2019341), (1069, 75560), (1889, 42760), (2138, 37780), (3778, 21380), (4276, 18890), (5345, 15112), (7556, 10690), (8552, 9445)]