64708880

素因数分解:

$2^4\times 5^1\times {\mathrm{463}}^1\times {\mathrm{1747}}^1$

素因数の和:2223

約数の個数: 40

約数和(自身を含む): 150859392

約数和(自身を除く): 86150512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 463, 926, 1747, 1852, 2315, 3494, 3704, 4630, 6988, 7408, 8735, 9260, 13976, 17470, 18520, 27952, 34940, 37040, 69880, 139760, 808861, 1617722, 3235444, 4044305, 6470888, 8088610, 12941776, 16177220, 32354440, 64708880]

約数ペア:

[(1, 64708880), (2, 32354440), (4, 16177220), (5, 12941776), (8, 8088610), (10, 6470888), (16, 4044305), (20, 3235444), (40, 1617722), (80, 808861), (463, 139760), (926, 69880), (1747, 37040), (1852, 34940), (2315, 27952), (3494, 18520), (3704, 17470), (4630, 13976), (6988, 9260), (7408, 8735)]