39405340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4889}}^1$

素因数の和:4942

約数の個数: 48

約数和(自身を含む): 92010240

約数和(自身を除く): 52604900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 4889, 8060, 9778, 19556, 24445, 48890, 63557, 97780, 127114, 151559, 254228, 303118, 317785, 606236, 635570, 757795, 1271140, 1515590, 1970267, 3031180, 3940534, 7881068, 9851335, 19702670, 39405340]

約数ペア:

[(1, 39405340), (2, 19702670), (4, 9851335), (5, 7881068), (10, 3940534), (13, 3031180), (20, 1970267), (26, 1515590), (31, 1271140), (52, 757795), (62, 635570), (65, 606236), (124, 317785), (130, 303118), (155, 254228), (260, 151559), (310, 127114), (403, 97780), (620, 63557), (806, 48890), (1612, 24445), (2015, 19556), (4030, 9778), (4889, 8060)]