71632840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{41647}}^1$

素因数の和:41701

約数の個数: 32

約数和(自身を含む): 164926080

約数和(自身を除く): 93293240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 41647, 83294, 166588, 208235, 333176, 416470, 832940, 1665880, 1790821, 3581642, 7163284, 8954105, 14326568, 17908210, 35816420, 71632840]

約数ペア:

[(1, 71632840), (2, 35816420), (4, 17908210), (5, 14326568), (8, 8954105), (10, 7163284), (20, 3581642), (40, 1790821), (43, 1665880), (86, 832940), (172, 416470), (215, 333176), (344, 208235), (430, 166588), (860, 83294), (1720, 41647)]