51382160

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37781}}^1$

素因数の和:37811

約数の個数: 40

約数和(自身を含む): 126494136

約数和(自身を除く): 75111976

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 37781, 75562, 151124, 188905, 302248, 377810, 604496, 642277, 755620, 1284554, 1511240, 2569108, 3022480, 3211385, 5138216, 6422770, 10276432, 12845540, 25691080, 51382160]

約数ペア:

[(1, 51382160), (2, 25691080), (4, 12845540), (5, 10276432), (8, 6422770), (10, 5138216), (16, 3211385), (17, 3022480), (20, 2569108), (34, 1511240), (40, 1284554), (68, 755620), (80, 642277), (85, 604496), (136, 377810), (170, 302248), (272, 188905), (340, 151124), (680, 75562), (1360, 37781)]