64526720

素因数分解:

$2^7\times 5^1\times {\mathrm{100823}}^1$

素因数の和:100842

約数の個数: 32

約数和(自身を含む): 154260720

約数和(自身を除く): 89734000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 100823, 201646, 403292, 504115, 806584, 1008230, 1613168, 2016460, 3226336, 4032920, 6452672, 8065840, 12905344, 16131680, 32263360, 64526720]

約数ペア:

[(1, 64526720), (2, 32263360), (4, 16131680), (5, 12905344), (8, 8065840), (10, 6452672), (16, 4032920), (20, 3226336), (32, 2016460), (40, 1613168), (64, 1008230), (80, 806584), (128, 504115), (160, 403292), (320, 201646), (640, 100823)]