207331840

素因数分解:

$2^9\times 5^1\times {\mathrm{80989}}^1$

素因数の和:81012

約数の個数: 40

約数和(自身を含む): 497116620

約数和(自身を除く): 289784780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 80989, 161978, 323956, 404945, 647912, 809890, 1295824, 1619780, 2591648, 3239560, 5183296, 6479120, 10366592, 12958240, 20733184, 25916480, 41466368, 51832960, 103665920, 207331840]

約数ペア:

[(1, 207331840), (2, 103665920), (4, 51832960), (5, 41466368), (8, 25916480), (10, 20733184), (16, 12958240), (20, 10366592), (32, 6479120), (40, 5183296), (64, 3239560), (80, 2591648), (128, 1619780), (160, 1295824), (256, 809890), (320, 647912), (512, 404945), (640, 323956), (1280, 161978), (2560, 80989)]