129053440

素因数分解:

$2^8\times 5^1\times {\mathrm{100823}}^1$

素因数の和:100844

約数の個数: 36

約数和(自身を含む): 309126384

約数和(自身を除く): 180072944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 100823, 201646, 403292, 504115, 806584, 1008230, 1613168, 2016460, 3226336, 4032920, 6452672, 8065840, 12905344, 16131680, 25810688, 32263360, 64526720, 129053440]

約数ペア:

[(1, 129053440), (2, 64526720), (4, 32263360), (5, 25810688), (8, 16131680), (10, 12905344), (16, 8065840), (20, 6452672), (32, 4032920), (40, 3226336), (64, 2016460), (80, 1613168), (128, 1008230), (160, 806584), (256, 504115), (320, 403292), (640, 201646), (1280, 100823)]