56717540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1019}}^1$

素因数の和:1073

約数の個数: 72

約数和(自身を含む): 136745280

約数和(自身を除く): 80027740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 220, 230, 242, 253, 460, 484, 506, 605, 1012, 1019, 1210, 1265, 2038, 2420, 2530, 2783, 4076, 5060, 5095, 5566, 10190, 11132, 11209, 13915, 20380, 22418, 23437, 27830, 44836, 46874, 55660, 56045, 93748, 112090, 117185, 123299, 224180, 234370, 246598, 257807, 468740, 493196, 515614, 616495, 1031228, 1232990, 1289035, 2465980, 2578070, 2835877, 5156140, 5671754, 11343508, 14179385, 28358770, 56717540]

約数ペア:

[(1, 56717540), (2, 28358770), (4, 14179385), (5, 11343508), (10, 5671754), (11, 5156140), (20, 2835877), (22, 2578070), (23, 2465980), (44, 1289035), (46, 1232990), (55, 1031228), (92, 616495), (110, 515614), (115, 493196), (121, 468740), (220, 257807), (230, 246598), (242, 234370), (253, 224180), (460, 123299), (484, 117185), (506, 112090), (605, 93748), (1012, 56045), (1019, 55660), (1210, 46874), (1265, 44836), (2038, 27830), (2420, 23437), (2530, 22418), (2783, 20380), (4076, 13915), (5060, 11209), (5095, 11132), (5566, 10190)]