64711760

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{27893}}^1$

素因数の和:27935

約数の個数: 40

約数和(自身を含む): 155648520

約数和(自身を除く): 90936760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 27893, 55786, 111572, 139465, 223144, 278930, 446288, 557860, 808897, 1115720, 1617794, 2231440, 3235588, 4044485, 6471176, 8088970, 12942352, 16177940, 32355880, 64711760]

約数ペア:

[(1, 64711760), (2, 32355880), (4, 16177940), (5, 12942352), (8, 8088970), (10, 6471176), (16, 4044485), (20, 3235588), (29, 2231440), (40, 1617794), (58, 1115720), (80, 808897), (116, 557860), (145, 446288), (232, 278930), (290, 223144), (464, 139465), (580, 111572), (1160, 55786), (2320, 27893)]