12838960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{167}}^1$

素因数の和:242

約数の個数: 60

約数和(自身を含む): 31029264

約数和(自身を除く): 18190304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 167, 248, 310, 334, 496, 620, 668, 835, 961, 1240, 1336, 1670, 1922, 2480, 2672, 3340, 3844, 4805, 5177, 6680, 7688, 9610, 10354, 13360, 15376, 19220, 20708, 25885, 38440, 41416, 51770, 76880, 82832, 103540, 160487, 207080, 320974, 414160, 641948, 802435, 1283896, 1604870, 2567792, 3209740, 6419480, 12838960]

約数ペア:

[(1, 12838960), (2, 6419480), (4, 3209740), (5, 2567792), (8, 1604870), (10, 1283896), (16, 802435), (20, 641948), (31, 414160), (40, 320974), (62, 207080), (80, 160487), (124, 103540), (155, 82832), (167, 76880), (248, 51770), (310, 41416), (334, 38440), (496, 25885), (620, 20708), (668, 19220), (835, 15376), (961, 13360), (1240, 10354), (1336, 9610), (1670, 7688), (1922, 6680), (2480, 5177), (2672, 4805), (3340, 3844)]