64246480

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{11311}}^1$

素因数の和:11395

約数の個数: 40

約数和(自身を含む): 151490304

約数和(自身を除く): 87243824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 11311, 22622, 45244, 56555, 90488, 113110, 180976, 226220, 452440, 803081, 904880, 1606162, 3212324, 4015405, 6424648, 8030810, 12849296, 16061620, 32123240, 64246480]

約数ペア:

[(1, 64246480), (2, 32123240), (4, 16061620), (5, 12849296), (8, 8030810), (10, 6424648), (16, 4015405), (20, 3212324), (40, 1606162), (71, 904880), (80, 803081), (142, 452440), (284, 226220), (355, 180976), (568, 113110), (710, 90488), (1136, 56555), (1420, 45244), (2840, 22622), (5680, 11311)]