16112180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:465

約数の個数: 72

約数和(自身を含む): 40420296

約数和(自身を除く): 24308116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 401, 410, 490, 574, 802, 820, 980, 1148, 1435, 1604, 2005, 2009, 2807, 2870, 4010, 4018, 5614, 5740, 8020, 8036, 10045, 11228, 14035, 16441, 19649, 20090, 28070, 32882, 39298, 40180, 56140, 65764, 78596, 82205, 98245, 115087, 164410, 196490, 230174, 328820, 392980, 460348, 575435, 805609, 1150870, 1611218, 2301740, 3222436, 4028045, 8056090, 16112180]

約数ペア:

[(1, 16112180), (2, 8056090), (4, 4028045), (5, 3222436), (7, 2301740), (10, 1611218), (14, 1150870), (20, 805609), (28, 575435), (35, 460348), (41, 392980), (49, 328820), (70, 230174), (82, 196490), (98, 164410), (140, 115087), (164, 98245), (196, 82205), (205, 78596), (245, 65764), (287, 56140), (401, 40180), (410, 39298), (490, 32882), (574, 28070), (802, 20090), (820, 19649), (980, 16441), (1148, 14035), (1435, 11228), (1604, 10045), (2005, 8036), (2009, 8020), (2807, 5740), (2870, 5614), (4010, 4018)]