69656080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{66977}}^1$

素因数の和:67003

約数の個数: 40

約数和(自身を含む): 174410712

約数和(自身を除く): 104754632

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 66977, 133954, 267908, 334885, 535816, 669770, 870701, 1071632, 1339540, 1741402, 2679080, 3482804, 4353505, 5358160, 6965608, 8707010, 13931216, 17414020, 34828040, 69656080]

約数ペア:

[(1, 69656080), (2, 34828040), (4, 17414020), (5, 13931216), (8, 8707010), (10, 6965608), (13, 5358160), (16, 4353505), (20, 3482804), (26, 2679080), (40, 1741402), (52, 1339540), (65, 1071632), (80, 870701), (104, 669770), (130, 535816), (208, 334885), (260, 267908), (520, 133954), (1040, 66977)]