64041760

素因数分解:

$2^5\times 5^1\times {\mathrm{400261}}^1$

素因数の和:400276

約数の個数: 24

約数和(自身を含む): 151299036

約数和(自身を除く): 87257276

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 400261, 800522, 1601044, 2001305, 3202088, 4002610, 6404176, 8005220, 12808352, 16010440, 32020880, 64041760]

約数ペア:

[(1, 64041760), (2, 32020880), (4, 16010440), (5, 12808352), (8, 8005220), (10, 6404176), (16, 4002610), (20, 3202088), (32, 2001305), (40, 1601044), (80, 800522), (160, 400261)]