40387720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{941}}^1$

素因数の和:1018

約数の個数: 64

約数和(自身を含む): 96649200

約数和(自身を除く): 56261480

約数列:

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

約数ペア:

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