40805320

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{1213}}^1$

素因数の和:1282

約数の個数: 48

約数和(自身を含む): 95165460

約数和(自身を除く): 54360140

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 841, 1160, 1213, 1682, 2426, 3364, 4205, 4852, 6065, 6728, 8410, 9704, 12130, 16820, 24260, 33640, 35177, 48520, 70354, 140708, 175885, 281416, 351770, 703540, 1020133, 1407080, 2040266, 4080532, 5100665, 8161064, 10201330, 20402660, 40805320]

約数ペア:

[(1, 40805320), (2, 20402660), (4, 10201330), (5, 8161064), (8, 5100665), (10, 4080532), (20, 2040266), (29, 1407080), (40, 1020133), (58, 703540), (116, 351770), (145, 281416), (232, 175885), (290, 140708), (580, 70354), (841, 48520), (1160, 35177), (1213, 33640), (1682, 24260), (2426, 16820), (3364, 12130), (4205, 9704), (4852, 8410), (6065, 6728)]