80775440

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{941}}^1$

素因数の和:1020

約数の個数: 80

約数和(自身を含む): 199741680

約数和(自身を除く): 118966240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 37, 40, 58, 74, 80, 116, 145, 148, 185, 232, 290, 296, 370, 464, 580, 592, 740, 941, 1073, 1160, 1480, 1882, 2146, 2320, 2960, 3764, 4292, 4705, 5365, 7528, 8584, 9410, 10730, 15056, 17168, 18820, 21460, 27289, 34817, 37640, 42920, 54578, 69634, 75280, 85840, 109156, 136445, 139268, 174085, 218312, 272890, 278536, 348170, 436624, 545780, 557072, 696340, 1009693, 1091560, 1392680, 2019386, 2183120, 2785360, 4038772, 5048465, 8077544, 10096930, 16155088, 20193860, 40387720, 80775440]

約数ペア:

[(1, 80775440), (2, 40387720), (4, 20193860), (5, 16155088), (8, 10096930), (10, 8077544), (16, 5048465), (20, 4038772), (29, 2785360), (37, 2183120), (40, 2019386), (58, 1392680), (74, 1091560), (80, 1009693), (116, 696340), (145, 557072), (148, 545780), (185, 436624), (232, 348170), (290, 278536), (296, 272890), (370, 218312), (464, 174085), (580, 139268), (592, 136445), (740, 109156), (941, 85840), (1073, 75280), (1160, 69634), (1480, 54578), (1882, 42920), (2146, 37640), (2320, 34817), (2960, 27289), (3764, 21460), (4292, 18820), (4705, 17168), (5365, 15056), (7528, 10730), (8584, 9410)]