202131640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{2089}}^1$

素因数の和:2200

約数の個数: 64

約数和(自身を含む): 474012000

約数和(自身を除く): 271880360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 59, 82, 118, 164, 205, 236, 295, 328, 410, 472, 590, 820, 1180, 1640, 2089, 2360, 2419, 4178, 4838, 8356, 9676, 10445, 12095, 16712, 19352, 20890, 24190, 41780, 48380, 83560, 85649, 96760, 123251, 171298, 246502, 342596, 428245, 493004, 616255, 685192, 856490, 986008, 1232510, 1712980, 2465020, 3425960, 4930040, 5053291, 10106582, 20213164, 25266455, 40426328, 50532910, 101065820, 202131640]

約数ペア:

[(1, 202131640), (2, 101065820), (4, 50532910), (5, 40426328), (8, 25266455), (10, 20213164), (20, 10106582), (40, 5053291), (41, 4930040), (59, 3425960), (82, 2465020), (118, 1712980), (164, 1232510), (205, 986008), (236, 856490), (295, 685192), (328, 616255), (410, 493004), (472, 428245), (590, 342596), (820, 246502), (1180, 171298), (1640, 123251), (2089, 96760), (2360, 85649), (2419, 83560), (4178, 48380), (4838, 41780), (8356, 24190), (9676, 20890), (10445, 19352), (12095, 16712)]