158519140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{2551}}^1$

素因数の和:2812

約数の個数: 48

約数和(自身を含む): 360138240

約数和(自身を除く): 201619100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 239, 260, 478, 956, 1195, 2390, 2551, 3107, 4780, 5102, 6214, 10204, 12428, 12755, 15535, 25510, 31070, 33163, 51020, 62140, 66326, 132652, 165815, 331630, 609689, 663260, 1219378, 2438756, 3048445, 6096890, 7925957, 12193780, 15851914, 31703828, 39629785, 79259570, 158519140]

約数ペア:

[(1, 158519140), (2, 79259570), (4, 39629785), (5, 31703828), (10, 15851914), (13, 12193780), (20, 7925957), (26, 6096890), (52, 3048445), (65, 2438756), (130, 1219378), (239, 663260), (260, 609689), (478, 331630), (956, 165815), (1195, 132652), (2390, 66326), (2551, 62140), (3107, 51020), (4780, 33163), (5102, 31070), (6214, 25510), (10204, 15535), (12428, 12755)]