25677920

素因数分解:

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

素因数の和:244

約数の個数: 72

約数和(自身を含む): 63059472

約数和(自身を除く): 37381552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 167, 248, 310, 334, 496, 620, 668, 835, 961, 992, 1240, 1336, 1670, 1922, 2480, 2672, 3340, 3844, 4805, 4960, 5177, 5344, 6680, 7688, 9610, 10354, 13360, 15376, 19220, 20708, 25885, 26720, 30752, 38440, 41416, 51770, 76880, 82832, 103540, 153760, 160487, 165664, 207080, 320974, 414160, 641948, 802435, 828320, 1283896, 1604870, 2567792, 3209740, 5135584, 6419480, 12838960, 25677920]

約数ペア:

[(1, 25677920), (2, 12838960), (4, 6419480), (5, 5135584), (8, 3209740), (10, 2567792), (16, 1604870), (20, 1283896), (31, 828320), (32, 802435), (40, 641948), (62, 414160), (80, 320974), (124, 207080), (155, 165664), (160, 160487), (167, 153760), (248, 103540), (310, 82832), (334, 76880), (496, 51770), (620, 41416), (668, 38440), (835, 30752), (961, 26720), (992, 25885), (1240, 20708), (1336, 19220), (1670, 15376), (1922, 13360), (2480, 10354), (2672, 9610), (3340, 7688), (3844, 6680), (4805, 5344), (4960, 5177)]