85328120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{68813}}^1$

素因数の和:68855

約数の個数: 32

約数和(自身を含む): 198184320

約数和(自身を除く): 112856200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 68813, 137626, 275252, 344065, 550504, 688130, 1376260, 2133203, 2752520, 4266406, 8532812, 10666015, 17065624, 21332030, 42664060, 85328120]

約数ペア:

[(1, 85328120), (2, 42664060), (4, 21332030), (5, 17065624), (8, 10666015), (10, 8532812), (20, 4266406), (31, 2752520), (40, 2133203), (62, 1376260), (124, 688130), (155, 550504), (248, 344065), (310, 275252), (620, 137626), (1240, 68813)]