91379840

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2011}}^1$

素因数の和:2101

約数の個数: 64

約数和(自身を含む): 221641920

約数和(自身を除く): 130262080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 284, 320, 355, 568, 640, 710, 1136, 1420, 2011, 2272, 2840, 4022, 4544, 5680, 8044, 9088, 10055, 11360, 16088, 20110, 22720, 32176, 40220, 45440, 64352, 80440, 128704, 142781, 160880, 257408, 285562, 321760, 571124, 643520, 713905, 1142248, 1287040, 1427810, 2284496, 2855620, 4568992, 5711240, 9137984, 11422480, 18275968, 22844960, 45689920, 91379840]

約数ペア:

[(1, 91379840), (2, 45689920), (4, 22844960), (5, 18275968), (8, 11422480), (10, 9137984), (16, 5711240), (20, 4568992), (32, 2855620), (40, 2284496), (64, 1427810), (71, 1287040), (80, 1142248), (128, 713905), (142, 643520), (160, 571124), (284, 321760), (320, 285562), (355, 257408), (568, 160880), (640, 142781), (710, 128704), (1136, 80440), (1420, 64352), (2011, 45440), (2272, 40220), (2840, 32176), (4022, 22720), (4544, 20110), (5680, 16088), (8044, 11360), (9088, 10055)]