27861140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 61027344

約数和(自身を除く): 33166204

約数列:

[1, 2, 4, 5, 10, 20, 41, 61, 82, 122, 164, 205, 244, 305, 410, 557, 610, 820, 1114, 1220, 2228, 2501, 2785, 5002, 5570, 10004, 11140, 12505, 22837, 25010, 33977, 45674, 50020, 67954, 91348, 114185, 135908, 169885, 228370, 339770, 456740, 679540, 1393057, 2786114, 5572228, 6965285, 13930570, 27861140]

約数ペア:

[(1, 27861140), (2, 13930570), (4, 6965285), (5, 5572228), (10, 2786114), (20, 1393057), (41, 679540), (61, 456740), (82, 339770), (122, 228370), (164, 169885), (205, 135908), (244, 114185), (305, 91348), (410, 67954), (557, 50020), (610, 45674), (820, 33977), (1114, 25010), (1220, 22837), (2228, 12505), (2501, 11140), (2785, 10004), (5002, 5570)]