12658540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1201}}^1$

素因数の和:1258

約数の個数: 48

約数和(自身を含む): 29078784

約数和(自身を除く): 16420244

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 1201, 2108, 2402, 2635, 4804, 5270, 6005, 10540, 12010, 20417, 24020, 37231, 40834, 74462, 81668, 102085, 148924, 186155, 204170, 372310, 408340, 632927, 744620, 1265854, 2531708, 3164635, 6329270, 12658540]

約数ペア:

[(1, 12658540), (2, 6329270), (4, 3164635), (5, 2531708), (10, 1265854), (17, 744620), (20, 632927), (31, 408340), (34, 372310), (62, 204170), (68, 186155), (85, 148924), (124, 102085), (155, 81668), (170, 74462), (310, 40834), (340, 37231), (527, 24020), (620, 20417), (1054, 12010), (1201, 10540), (2108, 6005), (2402, 5270), (2635, 4804)]