80042120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{117709}}^1$

素因数の和:117737

約数の個数: 32

約数和(自身を含む): 190690200

約数和(自身を除く): 110648080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 117709, 235418, 470836, 588545, 941672, 1177090, 2001053, 2354180, 4002106, 4708360, 8004212, 10005265, 16008424, 20010530, 40021060, 80042120]

約数ペア:

[(1, 80042120), (2, 40021060), (4, 20010530), (5, 16008424), (8, 10005265), (10, 8004212), (17, 4708360), (20, 4002106), (34, 2354180), (40, 2001053), (68, 1177090), (85, 941672), (136, 588545), (170, 470836), (340, 235418), (680, 117709)]