161504120

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{35731}}^1$

素因数の和:35855

約数の個数: 32

約数和(自身を含む): 366610320

約数和(自身を除く): 205106200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 35731, 71462, 142924, 178655, 285848, 357310, 714620, 1429240, 4037603, 8075206, 16150412, 20188015, 32300824, 40376030, 80752060, 161504120]

約数ペア:

[(1, 161504120), (2, 80752060), (4, 40376030), (5, 32300824), (8, 20188015), (10, 16150412), (20, 8075206), (40, 4037603), (113, 1429240), (226, 714620), (452, 357310), (565, 285848), (904, 178655), (1130, 142924), (2260, 71462), (4520, 35731)]