51318680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{26183}}^1$

素因数の和:26208

約数の個数: 48

約数和(自身を含む): 134323920

約数和(自身を除く): 83005240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 26183, 52366, 104732, 130915, 183281, 209464, 261830, 366562, 523660, 733124, 916405, 1047320, 1282967, 1466248, 1832810, 2565934, 3665620, 5131868, 6414835, 7331240, 10263736, 12829670, 25659340, 51318680]

約数ペア:

[(1, 51318680), (2, 25659340), (4, 12829670), (5, 10263736), (7, 7331240), (8, 6414835), (10, 5131868), (14, 3665620), (20, 2565934), (28, 1832810), (35, 1466248), (40, 1282967), (49, 1047320), (56, 916405), (70, 733124), (98, 523660), (140, 366562), (196, 261830), (245, 209464), (280, 183281), (392, 130915), (490, 104732), (980, 52366), (1960, 26183)]