248736020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{937}}^1\times {\mathrm{1021}}^1$

素因数の和:1980

約数の個数: 48

約数和(自身を含む): 563677968

約数和(自身を除く): 314941948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 937, 1021, 1874, 2042, 3748, 4084, 4685, 5105, 9370, 10210, 12181, 13273, 18740, 20420, 24362, 26546, 48724, 53092, 60905, 66365, 121810, 132730, 243620, 265460, 956677, 1913354, 3826708, 4783385, 9566770, 12436801, 19133540, 24873602, 49747204, 62184005, 124368010, 248736020]

約数ペア:

[(1, 248736020), (2, 124368010), (4, 62184005), (5, 49747204), (10, 24873602), (13, 19133540), (20, 12436801), (26, 9566770), (52, 4783385), (65, 3826708), (130, 1913354), (260, 956677), (937, 265460), (1021, 243620), (1874, 132730), (2042, 121810), (3748, 66365), (4084, 60905), (4685, 53092), (5105, 48724), (9370, 26546), (10210, 24362), (12181, 20420), (13273, 18740)]