65543140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3191}}^1$

素因数の和:3292

約数の個数: 48

約数和(自身を含む): 150151680

約数和(自身を除く): 84608540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 3191, 4108, 5135, 6382, 10270, 12764, 15955, 20540, 31910, 41483, 63820, 82966, 165932, 207415, 252089, 414830, 504178, 829660, 1008356, 1260445, 2520890, 3277157, 5041780, 6554314, 13108628, 16385785, 32771570, 65543140]

約数ペア:

[(1, 65543140), (2, 32771570), (4, 16385785), (5, 13108628), (10, 6554314), (13, 5041780), (20, 3277157), (26, 2520890), (52, 1260445), (65, 1008356), (79, 829660), (130, 504178), (158, 414830), (260, 252089), (316, 207415), (395, 165932), (790, 82966), (1027, 63820), (1580, 41483), (2054, 31910), (3191, 20540), (4108, 15955), (5135, 12764), (6382, 10270)]