205657540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{11833}}^1$

素因数の和:11932

約数の個数: 48

約数和(自身を含む): 477146880

約数和(自身を除く): 271489340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 8690, 11833, 17380, 23666, 47332, 59165, 118330, 130163, 236660, 260326, 520652, 650815, 934807, 1301630, 1869614, 2603260, 3739228, 4674035, 9348070, 10282877, 18696140, 20565754, 41131508, 51414385, 102828770, 205657540]

約数ペア:

[(1, 205657540), (2, 102828770), (4, 51414385), (5, 41131508), (10, 20565754), (11, 18696140), (20, 10282877), (22, 9348070), (44, 4674035), (55, 3739228), (79, 2603260), (110, 1869614), (158, 1301630), (220, 934807), (316, 650815), (395, 520652), (790, 260326), (869, 236660), (1580, 130163), (1738, 118330), (3476, 59165), (4345, 47332), (8690, 23666), (11833, 17380)]