27397540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1321}}^1$

素因数の和:1408

約数の個数: 48

約数和(自身を含む): 61964784

約数和(自身を除く): 34567244

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 1037, 1220, 1321, 2074, 2642, 4148, 5185, 5284, 6605, 10370, 13210, 20740, 22457, 26420, 44914, 80581, 89828, 112285, 161162, 224570, 322324, 402905, 449140, 805810, 1369877, 1611620, 2739754, 5479508, 6849385, 13698770, 27397540]

約数ペア:

[(1, 27397540), (2, 13698770), (4, 6849385), (5, 5479508), (10, 2739754), (17, 1611620), (20, 1369877), (34, 805810), (61, 449140), (68, 402905), (85, 322324), (122, 224570), (170, 161162), (244, 112285), (305, 89828), (340, 80581), (610, 44914), (1037, 26420), (1220, 22457), (1321, 20740), (2074, 13210), (2642, 10370), (4148, 6605), (5185, 5284)]