64040120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{55207}}^1$

素因数の和:55247

約数の個数: 32

約数和(自身を含む): 149061600

約数和(自身を除く): 85021480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 55207, 110414, 220828, 276035, 441656, 552070, 1104140, 1601003, 2208280, 3202006, 6404012, 8005015, 12808024, 16010030, 32020060, 64040120]

約数ペア:

[(1, 64040120), (2, 32020060), (4, 16010030), (5, 12808024), (8, 8005015), (10, 6404012), (20, 3202006), (29, 2208280), (40, 1601003), (58, 1104140), (116, 552070), (145, 441656), (232, 276035), (290, 220828), (580, 110414), (1160, 55207)]