2018992280

素因数分解:

$2^3\times 5^1\times {\mathrm{797}}^1\times {\mathrm{63331}}^1$

素因数の和:64139

約数の個数: 32

約数和(自身を含む): 4548504240

約数和(自身を除く): 2529511960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 797, 1594, 3188, 3985, 6376, 7970, 15940, 31880, 63331, 126662, 253324, 316655, 506648, 633310, 1266620, 2533240, 50474807, 100949614, 201899228, 252374035, 403798456, 504748070, 1009496140, 2018992280]

約数ペア:

[(1, 2018992280), (2, 1009496140), (4, 504748070), (5, 403798456), (8, 252374035), (10, 201899228), (20, 100949614), (40, 50474807), (797, 2533240), (1594, 1266620), (3188, 633310), (3985, 506648), (6376, 316655), (7970, 253324), (15940, 126662), (31880, 63331)]