89769560

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{433}}^1$

素因数の和:588

約数の個数: 64

約数和(自身を含む): 208111680

約数和(自身を除く): 118342120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 73, 142, 146, 284, 292, 355, 365, 433, 568, 584, 710, 730, 866, 1420, 1460, 1732, 2165, 2840, 2920, 3464, 4330, 5183, 8660, 10366, 17320, 20732, 25915, 30743, 31609, 41464, 51830, 61486, 63218, 103660, 122972, 126436, 153715, 158045, 207320, 245944, 252872, 307430, 316090, 614860, 632180, 1229720, 1264360, 2244239, 4488478, 8976956, 11221195, 17953912, 22442390, 44884780, 89769560]

約数ペア:

[(1, 89769560), (2, 44884780), (4, 22442390), (5, 17953912), (8, 11221195), (10, 8976956), (20, 4488478), (40, 2244239), (71, 1264360), (73, 1229720), (142, 632180), (146, 614860), (284, 316090), (292, 307430), (355, 252872), (365, 245944), (433, 207320), (568, 158045), (584, 153715), (710, 126436), (730, 122972), (866, 103660), (1420, 63218), (1460, 61486), (1732, 51830), (2165, 41464), (2840, 31609), (2920, 30743), (3464, 25915), (4330, 20732), (5183, 17320), (8660, 10366)]