25464640

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:216

約数の個数: 112

約数和(自身を含む): 66714624

約数和(自身を除く): 41249984

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 136, 151, 155, 160, 170, 248, 272, 302, 310, 320, 340, 496, 527, 544, 604, 620, 680, 755, 992, 1054, 1088, 1208, 1240, 1360, 1510, 1984, 2108, 2416, 2480, 2567, 2635, 2720, 3020, 4216, 4681, 4832, 4960, 5134, 5270, 5440, 6040, 8432, 9362, 9664, 9920, 10268, 10540, 12080, 12835, 16864, 18724, 20536, 21080, 23405, 24160, 25670, 33728, 37448, 41072, 42160, 46810, 48320, 51340, 74896, 79577, 82144, 84320, 93620, 102680, 149792, 159154, 164288, 168640, 187240, 205360, 299584, 318308, 374480, 397885, 410720, 636616, 748960, 795770, 821440, 1273232, 1497920, 1591540, 2546464, 3183080, 5092928, 6366160, 12732320, 25464640]

約数ペア:

[(1, 25464640), (2, 12732320), (4, 6366160), (5, 5092928), (8, 3183080), (10, 2546464), (16, 1591540), (17, 1497920), (20, 1273232), (31, 821440), (32, 795770), (34, 748960), (40, 636616), (62, 410720), (64, 397885), (68, 374480), (80, 318308), (85, 299584), (124, 205360), (136, 187240), (151, 168640), (155, 164288), (160, 159154), (170, 149792), (248, 102680), (272, 93620), (302, 84320), (310, 82144), (320, 79577), (340, 74896), (496, 51340), (527, 48320), (544, 46810), (604, 42160), (620, 41072), (680, 37448), (755, 33728), (992, 25670), (1054, 24160), (1088, 23405), (1208, 21080), (1240, 20536), (1360, 18724), (1510, 16864), (1984, 12835), (2108, 12080), (2416, 10540), (2480, 10268), (2567, 9920), (2635, 9664), (2720, 9362), (3020, 8432), (4216, 6040), (4681, 5440), (4832, 5270), (4960, 5134)]