51086620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{563}}^1$

素因数の和:934

約数の個数: 48

約数和(自身を含む): 116071200

約数和(自身を除く): 64984580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 349, 563, 698, 1126, 1396, 1745, 2252, 2815, 3490, 4537, 5630, 6980, 7319, 9074, 11260, 14638, 18148, 22685, 29276, 36595, 45370, 73190, 90740, 146380, 196487, 392974, 785948, 982435, 1964870, 2554331, 3929740, 5108662, 10217324, 12771655, 25543310, 51086620]

約数ペア:

[(1, 51086620), (2, 25543310), (4, 12771655), (5, 10217324), (10, 5108662), (13, 3929740), (20, 2554331), (26, 1964870), (52, 982435), (65, 785948), (130, 392974), (260, 196487), (349, 146380), (563, 90740), (698, 73190), (1126, 45370), (1396, 36595), (1745, 29276), (2252, 22685), (2815, 18148), (3490, 14638), (4537, 11260), (5630, 9074), (6980, 7319)]