25949480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1231}}^1$

素因数の和:1290

約数の個数: 64

約数和(自身を含む): 63866880

約数和(自身を除く): 37917400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 1054, 1231, 1240, 2108, 2462, 2635, 4216, 4924, 5270, 6155, 9848, 10540, 12310, 20927, 21080, 24620, 38161, 41854, 49240, 76322, 83708, 104635, 152644, 167416, 190805, 209270, 305288, 381610, 418540, 648737, 763220, 837080, 1297474, 1526440, 2594948, 3243685, 5189896, 6487370, 12974740, 25949480]

約数ペア:

[(1, 25949480), (2, 12974740), (4, 6487370), (5, 5189896), (8, 3243685), (10, 2594948), (17, 1526440), (20, 1297474), (31, 837080), (34, 763220), (40, 648737), (62, 418540), (68, 381610), (85, 305288), (124, 209270), (136, 190805), (155, 167416), (170, 152644), (248, 104635), (310, 83708), (340, 76322), (527, 49240), (620, 41854), (680, 38161), (1054, 24620), (1231, 21080), (1240, 20927), (2108, 12310), (2462, 10540), (2635, 9848), (4216, 6155), (4924, 5270)]