27550240

素因数分解:

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

素因数の和:845

約数の個数: 48

約数和(自身を含む): 65401560

約数和(自身を除く): 37851320

約数列:

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

約数ペア:

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