82556480

素因数分解:

$2^6\times 5^1\times {\mathrm{257989}}^1$

素因数の和:258006

約数の個数: 28

約数和(自身を含む): 196588380

約数和(自身を除く): 114031900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 257989, 515978, 1031956, 1289945, 2063912, 2579890, 4127824, 5159780, 8255648, 10319560, 16511296, 20639120, 41278240, 82556480]

約数ペア:

[(1, 82556480), (2, 41278240), (4, 20639120), (5, 16511296), (8, 10319560), (10, 8255648), (16, 5159780), (20, 4127824), (32, 2579890), (40, 2063912), (64, 1289945), (80, 1031956), (160, 515978), (320, 257989)]