259330880

素因数分解:

$2^6\times 5^1\times {\mathrm{810409}}^1$

素因数の和:810426

約数の個数: 28

約数和(自身を含む): 617532420

約数和(自身を除く): 358201540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 810409, 1620818, 3241636, 4052045, 6483272, 8104090, 12966544, 16208180, 25933088, 32416360, 51866176, 64832720, 129665440, 259330880]

約数ペア:

[(1, 259330880), (2, 129665440), (4, 64832720), (5, 51866176), (8, 32416360), (10, 25933088), (16, 16208180), (20, 12966544), (32, 8104090), (40, 6483272), (64, 4052045), (80, 3241636), (160, 1620818), (320, 810409)]