6398240

素因数分解:

$2^5\times 5^1\times {\mathrm{39989}}^1$

素因数の和:40004

約数の個数: 24

約数和(自身を含む): 15116220

約数和(自身を除く): 8717980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 39989, 79978, 159956, 199945, 319912, 399890, 639824, 799780, 1279648, 1599560, 3199120, 6398240]

約数ペア:

[(1, 6398240), (2, 3199120), (4, 1599560), (5, 1279648), (8, 799780), (10, 639824), (16, 399890), (20, 319912), (32, 199945), (40, 159956), (80, 79978), (160, 39989)]