55156220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4987}}^1$

素因数の和:5082

約数の個数: 48

約数和(自身を含む): 134077440

約数和(自身を除く): 78921220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 4987, 5530, 9974, 11060, 19948, 24935, 34909, 49870, 69818, 99740, 139636, 174545, 349090, 393973, 698180, 787946, 1575892, 1969865, 2757811, 3939730, 5515622, 7879460, 11031244, 13789055, 27578110, 55156220]

約数ペア:

[(1, 55156220), (2, 27578110), (4, 13789055), (5, 11031244), (7, 7879460), (10, 5515622), (14, 3939730), (20, 2757811), (28, 1969865), (35, 1575892), (70, 787946), (79, 698180), (140, 393973), (158, 349090), (316, 174545), (395, 139636), (553, 99740), (790, 69818), (1106, 49870), (1580, 34909), (2212, 24935), (2765, 19948), (4987, 11060), (5530, 9974)]