12739760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1$

素因数の和:522

約数の個数: 80

約数和(自身を含む): 33426432

約数和(自身を除く): 20686672

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 467, 496, 620, 682, 880, 934, 1240, 1364, 1705, 1868, 2335, 2480, 2728, 3410, 3736, 4670, 5137, 5456, 6820, 7472, 9340, 10274, 13640, 14477, 18680, 20548, 25685, 27280, 28954, 37360, 41096, 51370, 57908, 72385, 82192, 102740, 115816, 144770, 159247, 205480, 231632, 289540, 318494, 410960, 579080, 636988, 796235, 1158160, 1273976, 1592470, 2547952, 3184940, 6369880, 12739760]

約数ペア:

[(1, 12739760), (2, 6369880), (4, 3184940), (5, 2547952), (8, 1592470), (10, 1273976), (11, 1158160), (16, 796235), (20, 636988), (22, 579080), (31, 410960), (40, 318494), (44, 289540), (55, 231632), (62, 205480), (80, 159247), (88, 144770), (110, 115816), (124, 102740), (155, 82192), (176, 72385), (220, 57908), (248, 51370), (310, 41096), (341, 37360), (440, 28954), (467, 27280), (496, 25685), (620, 20548), (682, 18680), (880, 14477), (934, 13640), (1240, 10274), (1364, 9340), (1705, 7472), (1868, 6820), (2335, 5456), (2480, 5137), (2728, 4670), (3410, 3736)]