13498760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2789}}^1$

素因数の和:2822

約数の個数: 48

約数和(自身を含む): 33396300

約数和(自身を除く): 19897540

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 2789, 4840, 5578, 11156, 13945, 22312, 27890, 30679, 55780, 61358, 111560, 122716, 153395, 245432, 306790, 337469, 613580, 674938, 1227160, 1349876, 1687345, 2699752, 3374690, 6749380, 13498760]

約数ペア:

[(1, 13498760), (2, 6749380), (4, 3374690), (5, 2699752), (8, 1687345), (10, 1349876), (11, 1227160), (20, 674938), (22, 613580), (40, 337469), (44, 306790), (55, 245432), (88, 153395), (110, 122716), (121, 111560), (220, 61358), (242, 55780), (440, 30679), (484, 27890), (605, 22312), (968, 13945), (1210, 11156), (2420, 5578), (2789, 4840)]