51543700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1337

約数の個数: 72

約数和(自身を含む): 124436480

約数和(自身を除く): 72892780

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 403, 620, 650, 775, 806, 1279, 1300, 1550, 1612, 2015, 2558, 3100, 4030, 5116, 6395, 8060, 10075, 12790, 16627, 20150, 25580, 31975, 33254, 39649, 40300, 63950, 66508, 79298, 83135, 127900, 158596, 166270, 198245, 332540, 396490, 415675, 515437, 792980, 831350, 991225, 1030874, 1662700, 1982450, 2061748, 2577185, 3964900, 5154370, 10308740, 12885925, 25771850, 51543700]

約数ペア:

[(1, 51543700), (2, 25771850), (4, 12885925), (5, 10308740), (10, 5154370), (13, 3964900), (20, 2577185), (25, 2061748), (26, 1982450), (31, 1662700), (50, 1030874), (52, 991225), (62, 831350), (65, 792980), (100, 515437), (124, 415675), (130, 396490), (155, 332540), (260, 198245), (310, 166270), (325, 158596), (403, 127900), (620, 83135), (650, 79298), (775, 66508), (806, 63950), (1279, 40300), (1300, 39649), (1550, 33254), (1612, 31975), (2015, 25580), (2558, 20150), (3100, 16627), (4030, 12790), (5116, 10075), (6395, 8060)]