55100480

素因数分解:

$2^6\times 5^1\times {\mathrm{409}}^1\times {\mathrm{421}}^1$

素因数の和:847

約数の個数: 56

約数和(自身を含む): 131841240

約数和(自身を除く): 76740760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 409, 421, 818, 842, 1636, 1684, 2045, 2105, 3272, 3368, 4090, 4210, 6544, 6736, 8180, 8420, 13088, 13472, 16360, 16840, 26176, 26944, 32720, 33680, 65440, 67360, 130880, 134720, 172189, 344378, 688756, 860945, 1377512, 1721890, 2755024, 3443780, 5510048, 6887560, 11020096, 13775120, 27550240, 55100480]

約数ペア:

[(1, 55100480), (2, 27550240), (4, 13775120), (5, 11020096), (8, 6887560), (10, 5510048), (16, 3443780), (20, 2755024), (32, 1721890), (40, 1377512), (64, 860945), (80, 688756), (160, 344378), (320, 172189), (409, 134720), (421, 130880), (818, 67360), (842, 65440), (1636, 33680), (1684, 32720), (2045, 26944), (2105, 26176), (3272, 16840), (3368, 16360), (4090, 13472), (4210, 13088), (6544, 8420), (6736, 8180)]