66838480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26951}}^1$

素因数の和:26995

約数の個数: 40

約数和(自身を含む): 160418304

約数和(自身を除く): 93579824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 26951, 53902, 107804, 134755, 215608, 269510, 431216, 539020, 835481, 1078040, 1670962, 2156080, 3341924, 4177405, 6683848, 8354810, 13367696, 16709620, 33419240, 66838480]

約数ペア:

[(1, 66838480), (2, 33419240), (4, 16709620), (5, 13367696), (8, 8354810), (10, 6683848), (16, 4177405), (20, 3341924), (31, 2156080), (40, 1670962), (62, 1078040), (80, 835481), (124, 539020), (155, 431216), (248, 269510), (310, 215608), (496, 134755), (620, 107804), (1240, 53902), (2480, 26951)]