206533760

素因数分解:

$2^7\times 5^1\times {\mathrm{322709}}^1$

素因数の和:322728

約数の個数: 32

約数和(自身を含む): 493746300

約数和(自身を除く): 287212540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 322709, 645418, 1290836, 1613545, 2581672, 3227090, 5163344, 6454180, 10326688, 12908360, 20653376, 25816720, 41306752, 51633440, 103266880, 206533760]

約数ペア:

[(1, 206533760), (2, 103266880), (4, 51633440), (5, 41306752), (8, 25816720), (10, 20653376), (16, 12908360), (20, 10326688), (32, 6454180), (40, 5163344), (64, 3227090), (80, 2581672), (128, 1613545), (160, 1290836), (320, 645418), (640, 322709)]