1761425480

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{110921}}^1$

素因数の和:111329

約数の個数: 32

約数和(自身を含む): 3973226040

約数和(自身を除く): 2211800560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 7940, 15880, 110921, 221842, 443684, 554605, 887368, 1109210, 2218420, 4436840, 44035637, 88071274, 176142548, 220178185, 352285096, 440356370, 880712740, 1761425480]

約数ペア:

[(1, 1761425480), (2, 880712740), (4, 440356370), (5, 352285096), (8, 220178185), (10, 176142548), (20, 88071274), (40, 44035637), (397, 4436840), (794, 2218420), (1588, 1109210), (1985, 887368), (3176, 554605), (3970, 443684), (7940, 221842), (15880, 110921)]