65028440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{919}}^1$

素因数の和:1020

約数の個数: 64

約数和(自身を含む): 154008000

約数和(自身を除く): 88979560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 61, 116, 122, 145, 232, 244, 290, 305, 488, 580, 610, 919, 1160, 1220, 1769, 1838, 2440, 3538, 3676, 4595, 7076, 7352, 8845, 9190, 14152, 17690, 18380, 26651, 35380, 36760, 53302, 56059, 70760, 106604, 112118, 133255, 213208, 224236, 266510, 280295, 448472, 533020, 560590, 1066040, 1121180, 1625711, 2242360, 3251422, 6502844, 8128555, 13005688, 16257110, 32514220, 65028440]

約数ペア:

[(1, 65028440), (2, 32514220), (4, 16257110), (5, 13005688), (8, 8128555), (10, 6502844), (20, 3251422), (29, 2242360), (40, 1625711), (58, 1121180), (61, 1066040), (116, 560590), (122, 533020), (145, 448472), (232, 280295), (244, 266510), (290, 224236), (305, 213208), (488, 133255), (580, 112118), (610, 106604), (919, 70760), (1160, 56059), (1220, 53302), (1769, 36760), (1838, 35380), (2440, 26651), (3538, 18380), (3676, 17690), (4595, 14152), (7076, 9190), (7352, 8845)]