2820528040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{108649}}^1$

素因数の和:108730

約数の個数: 64

約数和(自身を含む): 7040520000

約数和(自身を除く): 4219991960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 220, 236, 295, 440, 472, 590, 649, 1180, 1298, 2360, 2596, 3245, 5192, 6490, 12980, 25960, 108649, 217298, 434596, 543245, 869192, 1086490, 1195139, 2172980, 2390278, 4345960, 4780556, 5975695, 6410291, 9561112, 11951390, 12820582, 23902780, 25641164, 32051455, 47805560, 51282328, 64102910, 70513201, 128205820, 141026402, 256411640, 282052804, 352566005, 564105608, 705132010, 1410264020, 2820528040]

約数ペア:

[(1, 2820528040), (2, 1410264020), (4, 705132010), (5, 564105608), (8, 352566005), (10, 282052804), (11, 256411640), (20, 141026402), (22, 128205820), (40, 70513201), (44, 64102910), (55, 51282328), (59, 47805560), (88, 32051455), (110, 25641164), (118, 23902780), (220, 12820582), (236, 11951390), (295, 9561112), (440, 6410291), (472, 5975695), (590, 4780556), (649, 4345960), (1180, 2390278), (1298, 2172980), (2360, 1195139), (2596, 1086490), (3245, 869192), (5192, 543245), (6490, 434596), (12980, 217298), (25960, 108649)]