80325560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{6997}}^1$

素因数の和:7056

約数の個数: 64

約数和(自身を含む): 211619520

約数和(自身を除く): 131293960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2870, 5740, 6997, 11480, 13994, 27988, 34985, 48979, 55976, 69970, 97958, 139940, 195916, 244895, 279880, 286877, 391832, 489790, 573754, 979580, 1147508, 1434385, 1959160, 2008139, 2295016, 2868770, 4016278, 5737540, 8032556, 10040695, 11475080, 16065112, 20081390, 40162780, 80325560]

約数ペア:

[(1, 80325560), (2, 40162780), (4, 20081390), (5, 16065112), (7, 11475080), (8, 10040695), (10, 8032556), (14, 5737540), (20, 4016278), (28, 2868770), (35, 2295016), (40, 2008139), (41, 1959160), (56, 1434385), (70, 1147508), (82, 979580), (140, 573754), (164, 489790), (205, 391832), (280, 286877), (287, 279880), (328, 244895), (410, 195916), (574, 139940), (820, 97958), (1148, 69970), (1435, 55976), (1640, 48979), (2296, 34985), (2870, 27988), (5740, 13994), (6997, 11480)]