12651760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1307}}^1$

素因数の和:1342

約数の個数: 60

約数和(自身を含む): 32357304

約数和(自身を除く): 19705544

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1307, 1936, 2420, 2614, 4840, 5228, 6535, 9680, 10456, 13070, 14377, 20912, 26140, 28754, 52280, 57508, 71885, 104560, 115016, 143770, 158147, 230032, 287540, 316294, 575080, 632588, 790735, 1150160, 1265176, 1581470, 2530352, 3162940, 6325880, 12651760]

約数ペア:

[(1, 12651760), (2, 6325880), (4, 3162940), (5, 2530352), (8, 1581470), (10, 1265176), (11, 1150160), (16, 790735), (20, 632588), (22, 575080), (40, 316294), (44, 287540), (55, 230032), (80, 158147), (88, 143770), (110, 115016), (121, 104560), (176, 71885), (220, 57508), (242, 52280), (440, 28754), (484, 26140), (605, 20912), (880, 14377), (968, 13070), (1210, 10456), (1307, 9680), (1936, 6535), (2420, 5228), (2614, 4840)]