12915888920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1012217}}^1$

素因数の和:1012268

約数の個数: 64

約数和(自身を含む): 32795863200

約数和(自身を除く): 19879974280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1595, 2552, 3190, 6380, 12760, 1012217, 2024434, 4048868, 5061085, 8097736, 10122170, 11134387, 20244340, 22268774, 29354293, 40488680, 44537548, 55671935, 58708586, 89075096, 111343870, 117417172, 146771465, 222687740, 234834344, 293542930, 322897223, 445375480, 587085860, 645794446, 1174171720, 1291588892, 1614486115, 2583177784, 3228972230, 6457944460, 12915888920]

約数ペア:

[(1, 12915888920), (2, 6457944460), (4, 3228972230), (5, 2583177784), (8, 1614486115), (10, 1291588892), (11, 1174171720), (20, 645794446), (22, 587085860), (29, 445375480), (40, 322897223), (44, 293542930), (55, 234834344), (58, 222687740), (88, 146771465), (110, 117417172), (116, 111343870), (145, 89075096), (220, 58708586), (232, 55671935), (290, 44537548), (319, 40488680), (440, 29354293), (580, 22268774), (638, 20244340), (1160, 11134387), (1276, 10122170), (1595, 8097736), (2552, 5061085), (3190, 4048868), (6380, 2024434), (12760, 1012217)]