201960980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{829}}^1\times {\mathrm{937}}^1$

素因数の和:1788

約数の個数: 48

約数和(自身を含む): 457781520

約数和(自身を除く): 255820540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 829, 937, 1658, 1874, 3316, 3748, 4145, 4685, 8290, 9370, 10777, 12181, 16580, 18740, 21554, 24362, 43108, 48724, 53885, 60905, 107770, 121810, 215540, 243620, 776773, 1553546, 3107092, 3883865, 7767730, 10098049, 15535460, 20196098, 40392196, 50490245, 100980490, 201960980]

約数ペア:

[(1, 201960980), (2, 100980490), (4, 50490245), (5, 40392196), (10, 20196098), (13, 15535460), (20, 10098049), (26, 7767730), (52, 3883865), (65, 3107092), (130, 1553546), (260, 776773), (829, 243620), (937, 215540), (1658, 121810), (1874, 107770), (3316, 60905), (3748, 53885), (4145, 48724), (4685, 43108), (8290, 24362), (9370, 21554), (10777, 18740), (12181, 16580)]