12562220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 30164400

約数和(自身を除く): 17602180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 121, 145, 179, 220, 242, 290, 319, 358, 484, 580, 605, 638, 716, 895, 1210, 1276, 1595, 1790, 1969, 2420, 3190, 3509, 3580, 3938, 5191, 6380, 7018, 7876, 9845, 10382, 14036, 17545, 19690, 20764, 21659, 25955, 35090, 39380, 43318, 51910, 57101, 70180, 86636, 103820, 108295, 114202, 216590, 228404, 285505, 433180, 571010, 628111, 1142020, 1256222, 2512444, 3140555, 6281110, 12562220]

約数ペア:

[(1, 12562220), (2, 6281110), (4, 3140555), (5, 2512444), (10, 1256222), (11, 1142020), (20, 628111), (22, 571010), (29, 433180), (44, 285505), (55, 228404), (58, 216590), (110, 114202), (116, 108295), (121, 103820), (145, 86636), (179, 70180), (220, 57101), (242, 51910), (290, 43318), (319, 39380), (358, 35090), (484, 25955), (580, 21659), (605, 20764), (638, 19690), (716, 17545), (895, 14036), (1210, 10382), (1276, 9845), (1595, 7876), (1790, 7018), (1969, 6380), (2420, 5191), (3190, 3938), (3509, 3580)]