25718620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1129}}^1$

素因数の和:1222

約数の個数: 48

約数和(自身を含む): 58091040

約数和(自身を除く): 32372420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 670, 1129, 1139, 1340, 2258, 2278, 4516, 4556, 5645, 5695, 11290, 11390, 19193, 22580, 22780, 38386, 75643, 76772, 95965, 151286, 191930, 302572, 378215, 383860, 756430, 1285931, 1512860, 2571862, 5143724, 6429655, 12859310, 25718620]

約数ペア:

[(1, 25718620), (2, 12859310), (4, 6429655), (5, 5143724), (10, 2571862), (17, 1512860), (20, 1285931), (34, 756430), (67, 383860), (68, 378215), (85, 302572), (134, 191930), (170, 151286), (268, 95965), (335, 76772), (340, 75643), (670, 38386), (1129, 22780), (1139, 22580), (1340, 19193), (2258, 11390), (2278, 11290), (4516, 5695), (4556, 5645)]