39680120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{433}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 93744000

約数和(自身を除く): 54063880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 79, 116, 145, 158, 232, 290, 316, 395, 433, 580, 632, 790, 866, 1160, 1580, 1732, 2165, 2291, 3160, 3464, 4330, 4582, 8660, 9164, 11455, 12557, 17320, 18328, 22910, 25114, 34207, 45820, 50228, 62785, 68414, 91640, 100456, 125570, 136828, 171035, 251140, 273656, 342070, 502280, 684140, 992003, 1368280, 1984006, 3968012, 4960015, 7936024, 9920030, 19840060, 39680120]

約数ペア:

[(1, 39680120), (2, 19840060), (4, 9920030), (5, 7936024), (8, 4960015), (10, 3968012), (20, 1984006), (29, 1368280), (40, 992003), (58, 684140), (79, 502280), (116, 342070), (145, 273656), (158, 251140), (232, 171035), (290, 136828), (316, 125570), (395, 100456), (433, 91640), (580, 68414), (632, 62785), (790, 50228), (866, 45820), (1160, 34207), (1580, 25114), (1732, 22910), (2165, 18328), (2291, 17320), (3160, 12557), (3464, 11455), (4330, 9164), (4582, 8660)]