64354880

素因数分解:

$2^6\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2423}}^1$

素因数の和:2523

約数の個数: 56

約数和(自身を含む): 155155392

約数和(自身を除く): 90800512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 160, 166, 320, 332, 415, 664, 830, 1328, 1660, 2423, 2656, 3320, 4846, 5312, 6640, 9692, 12115, 13280, 19384, 24230, 26560, 38768, 48460, 77536, 96920, 155072, 193840, 201109, 387680, 402218, 775360, 804436, 1005545, 1608872, 2011090, 3217744, 4022180, 6435488, 8044360, 12870976, 16088720, 32177440, 64354880]

約数ペア:

[(1, 64354880), (2, 32177440), (4, 16088720), (5, 12870976), (8, 8044360), (10, 6435488), (16, 4022180), (20, 3217744), (32, 2011090), (40, 1608872), (64, 1005545), (80, 804436), (83, 775360), (160, 402218), (166, 387680), (320, 201109), (332, 193840), (415, 155072), (664, 96920), (830, 77536), (1328, 48460), (1660, 38768), (2423, 26560), (2656, 24230), (3320, 19384), (4846, 13280), (5312, 12115), (6640, 9692)]