20174084240

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1\times {\mathrm{16189}}^1$

素因数の和:16660

約数の個数: 80

約数和(自身を含む): 48289848240

約数和(自身を除く): 28115764000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 421, 592, 740, 842, 1480, 1684, 2105, 2960, 3368, 4210, 6736, 8420, 15577, 16189, 16840, 31154, 32378, 33680, 62308, 64756, 77885, 80945, 124616, 129512, 155770, 161890, 249232, 259024, 311540, 323780, 598993, 623080, 647560, 1197986, 1246160, 1295120, 2395972, 2994965, 4791944, 5989930, 6815569, 9583888, 11979860, 13631138, 23959720, 27262276, 34077845, 47919440, 54524552, 68155690, 109049104, 136311380, 252176053, 272622760, 504352106, 545245520, 1008704212, 1260880265, 2017408424, 2521760530, 4034816848, 5043521060, 10087042120, 20174084240]

約数ペア:

[(1, 20174084240), (2, 10087042120), (4, 5043521060), (5, 4034816848), (8, 2521760530), (10, 2017408424), (16, 1260880265), (20, 1008704212), (37, 545245520), (40, 504352106), (74, 272622760), (80, 252176053), (148, 136311380), (185, 109049104), (296, 68155690), (370, 54524552), (421, 47919440), (592, 34077845), (740, 27262276), (842, 23959720), (1480, 13631138), (1684, 11979860), (2105, 9583888), (2960, 6815569), (3368, 5989930), (4210, 4791944), (6736, 2994965), (8420, 2395972), (15577, 1295120), (16189, 1246160), (16840, 1197986), (31154, 647560), (32378, 623080), (33680, 598993), (62308, 323780), (64756, 311540), (77885, 259024), (80945, 249232), (124616, 161890), (129512, 155770)]