8287593940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{43541}}^1$

素因数の和:43888

約数の個数: 48

約数和(自身を含む): 18024297984

約数和(自身を除く): 9736704044

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 307, 310, 614, 620, 1228, 1535, 3070, 6140, 9517, 19034, 38068, 43541, 47585, 87082, 95170, 174164, 190340, 217705, 435410, 870820, 1349771, 2699542, 5399084, 6748855, 13367087, 13497710, 26734174, 26995420, 53468348, 66835435, 133670870, 267341740, 414379697, 828759394, 1657518788, 2071898485, 4143796970, 8287593940]

約数ペア:

[(1, 8287593940), (2, 4143796970), (4, 2071898485), (5, 1657518788), (10, 828759394), (20, 414379697), (31, 267341740), (62, 133670870), (124, 66835435), (155, 53468348), (307, 26995420), (310, 26734174), (614, 13497710), (620, 13367087), (1228, 6748855), (1535, 5399084), (3070, 2699542), (6140, 1349771), (9517, 870820), (19034, 435410), (38068, 217705), (43541, 190340), (47585, 174164), (87082, 95170)]