30407240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{18541}}^1$

素因数の和:18593

約数の個数: 32

約数和(自身を含む): 70088760

約数和(自身を除く): 39681520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 18541, 37082, 74164, 92705, 148328, 185410, 370820, 741640, 760181, 1520362, 3040724, 3800905, 6081448, 7601810, 15203620, 30407240]

約数ペア:

[(1, 30407240), (2, 15203620), (4, 7601810), (5, 6081448), (8, 3800905), (10, 3040724), (20, 1520362), (40, 760181), (41, 741640), (82, 370820), (164, 185410), (205, 148328), (328, 92705), (410, 74164), (820, 37082), (1640, 18541)]