71830960

素因数分解:

$2^4\times 5^1\times {\mathrm{897887}}^1$

素因数の和:897900

約数の個数: 20

約数和(自身を含む): 167007168

約数和(自身を除く): 95176208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 897887, 1795774, 3591548, 4489435, 7183096, 8978870, 14366192, 17957740, 35915480, 71830960]

約数ペア:

[(1, 71830960), (2, 35915480), (4, 17957740), (5, 14366192), (8, 8978870), (10, 7183096), (16, 4489435), (20, 3591548), (40, 1795774), (80, 897887)]