25876240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:344

約数の個数: 80

約数和(自身を含む): 65620800

約数和(自身を除く): 39744560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 139, 179, 208, 260, 278, 358, 520, 556, 695, 716, 895, 1040, 1112, 1390, 1432, 1790, 1807, 2224, 2327, 2780, 2864, 3580, 3614, 4654, 5560, 7160, 7228, 9035, 9308, 11120, 11635, 14320, 14456, 18070, 18616, 23270, 24881, 28912, 36140, 37232, 46540, 49762, 72280, 93080, 99524, 124405, 144560, 186160, 199048, 248810, 323453, 398096, 497620, 646906, 995240, 1293812, 1617265, 1990480, 2587624, 3234530, 5175248, 6469060, 12938120, 25876240]

約数ペア:

[(1, 25876240), (2, 12938120), (4, 6469060), (5, 5175248), (8, 3234530), (10, 2587624), (13, 1990480), (16, 1617265), (20, 1293812), (26, 995240), (40, 646906), (52, 497620), (65, 398096), (80, 323453), (104, 248810), (130, 199048), (139, 186160), (179, 144560), (208, 124405), (260, 99524), (278, 93080), (358, 72280), (520, 49762), (556, 46540), (695, 37232), (716, 36140), (895, 28912), (1040, 24881), (1112, 23270), (1390, 18616), (1432, 18070), (1790, 14456), (1807, 14320), (2224, 11635), (2327, 11120), (2780, 9308), (2864, 9035), (3580, 7228), (3614, 7160), (4654, 5560)]