70520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:95

約数の個数: 32

約数和(自身を含む): 166320

約数和(自身を除く): 95800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 820, 860, 1640, 1720, 1763, 3526, 7052, 8815, 14104, 17630, 35260, 70520]

約数ペア:

[(1, 70520), (2, 35260), (4, 17630), (5, 14104), (8, 8815), (10, 7052), (20, 3526), (40, 1763), (41, 1720), (43, 1640), (82, 860), (86, 820), (164, 430), (172, 410), (205, 344), (215, 328)]