12940960

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2789}}^1$

素因数の和:2833

約数の個数: 48

約数和(自身を含む): 31638600

約数和(自身を除く): 18697640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 2789, 4640, 5578, 11156, 13945, 22312, 27890, 44624, 55780, 80881, 89248, 111560, 161762, 223120, 323524, 404405, 446240, 647048, 808810, 1294096, 1617620, 2588192, 3235240, 6470480, 12940960]

約数ペア:

[(1, 12940960), (2, 6470480), (4, 3235240), (5, 2588192), (8, 1617620), (10, 1294096), (16, 808810), (20, 647048), (29, 446240), (32, 404405), (40, 323524), (58, 223120), (80, 161762), (116, 111560), (145, 89248), (160, 80881), (232, 55780), (290, 44624), (464, 27890), (580, 22312), (928, 13945), (1160, 11156), (2320, 5578), (2789, 4640)]