156909067520

素因数分解:

$2^8\times 5^1\times {\mathrm{122585209}}^1$

素因数の和:122585230

約数の個数: 36

約数和(自身を含む): 375846253860

約数和(自身を除く): 218937186340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 122585209, 245170418, 490340836, 612926045, 980681672, 1225852090, 1961363344, 2451704180, 3922726688, 4903408360, 7845453376, 9806816720, 15690906752, 19613633440, 31381813504, 39227266880, 78454533760, 156909067520]

約数ペア:

[(1, 156909067520), (2, 78454533760), (4, 39227266880), (5, 31381813504), (8, 19613633440), (10, 15690906752), (16, 9806816720), (20, 7845453376), (32, 4903408360), (40, 3922726688), (64, 2451704180), (80, 1961363344), (128, 1225852090), (160, 980681672), (256, 612926045), (320, 490340836), (640, 245170418), (1280, 122585209)]