85870240

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7559}}^1$

素因数の和:7645

約数の個数: 48

約数和(自身を含む): 205752960

約数和(自身を除く): 119882720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 5680, 7559, 11360, 15118, 30236, 37795, 60472, 75590, 120944, 151180, 241888, 302360, 536689, 604720, 1073378, 1209440, 2146756, 2683445, 4293512, 5366890, 8587024, 10733780, 17174048, 21467560, 42935120, 85870240]

約数ペア:

[(1, 85870240), (2, 42935120), (4, 21467560), (5, 17174048), (8, 10733780), (10, 8587024), (16, 5366890), (20, 4293512), (32, 2683445), (40, 2146756), (71, 1209440), (80, 1073378), (142, 604720), (160, 536689), (284, 302360), (355, 241888), (568, 151180), (710, 120944), (1136, 75590), (1420, 60472), (2272, 37795), (2840, 30236), (5680, 15118), (7559, 11360)]