25160740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 59859576

約数和(自身を除く): 34698836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 121, 148, 185, 220, 242, 281, 370, 407, 484, 562, 605, 740, 814, 1124, 1210, 1405, 1628, 2035, 2420, 2810, 3091, 4070, 4477, 5620, 6182, 8140, 8954, 10397, 12364, 15455, 17908, 20794, 22385, 30910, 34001, 41588, 44770, 51985, 61820, 68002, 89540, 103970, 114367, 136004, 170005, 207940, 228734, 340010, 457468, 571835, 680020, 1143670, 1258037, 2287340, 2516074, 5032148, 6290185, 12580370, 25160740]

約数ペア:

[(1, 25160740), (2, 12580370), (4, 6290185), (5, 5032148), (10, 2516074), (11, 2287340), (20, 1258037), (22, 1143670), (37, 680020), (44, 571835), (55, 457468), (74, 340010), (110, 228734), (121, 207940), (148, 170005), (185, 136004), (220, 114367), (242, 103970), (281, 89540), (370, 68002), (407, 61820), (484, 51985), (562, 44770), (605, 41588), (740, 34001), (814, 30910), (1124, 22385), (1210, 20794), (1405, 17908), (1628, 15455), (2035, 12364), (2420, 10397), (2810, 8954), (3091, 8140), (4070, 6182), (4477, 5620)]