25342520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3121}}^1$

素因数の和:3168

約数の個数: 64

約数和(自身を含む): 67435200

約数和(自身を除く): 42092680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 3121, 4060, 6242, 8120, 12484, 15605, 21847, 24968, 31210, 43694, 62420, 87388, 90509, 109235, 124840, 174776, 181018, 218470, 362036, 436940, 452545, 633563, 724072, 873880, 905090, 1267126, 1810180, 2534252, 3167815, 3620360, 5068504, 6335630, 12671260, 25342520]

約数ペア:

[(1, 25342520), (2, 12671260), (4, 6335630), (5, 5068504), (7, 3620360), (8, 3167815), (10, 2534252), (14, 1810180), (20, 1267126), (28, 905090), (29, 873880), (35, 724072), (40, 633563), (56, 452545), (58, 436940), (70, 362036), (116, 218470), (140, 181018), (145, 174776), (203, 124840), (232, 109235), (280, 90509), (290, 87388), (406, 62420), (580, 43694), (812, 31210), (1015, 24968), (1160, 21847), (1624, 15605), (2030, 12484), (3121, 8120), (4060, 6242)]