20177577040

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{463}}^1\times {\mathrm{14723}}^1$

素因数の和:15236

約数の個数: 80

約数和(自身を含む): 48288123648

約数和(自身を除く): 28110546608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 463, 592, 740, 926, 1480, 1852, 2315, 2960, 3704, 4630, 7408, 9260, 14723, 17131, 18520, 29446, 34262, 37040, 58892, 68524, 73615, 85655, 117784, 137048, 147230, 171310, 235568, 274096, 294460, 342620, 544751, 588920, 685240, 1089502, 1177840, 1370480, 2179004, 2723755, 4358008, 5447510, 6816749, 8716016, 10895020, 13633498, 21790040, 27266996, 34083745, 43580080, 54533992, 68167490, 109067984, 136334980, 252219713, 272669960, 504439426, 545339920, 1008878852, 1261098565, 2017757704, 2522197130, 4035515408, 5044394260, 10088788520, 20177577040]

約数ペア:

[(1, 20177577040), (2, 10088788520), (4, 5044394260), (5, 4035515408), (8, 2522197130), (10, 2017757704), (16, 1261098565), (20, 1008878852), (37, 545339920), (40, 504439426), (74, 272669960), (80, 252219713), (148, 136334980), (185, 109067984), (296, 68167490), (370, 54533992), (463, 43580080), (592, 34083745), (740, 27266996), (926, 21790040), (1480, 13633498), (1852, 10895020), (2315, 8716016), (2960, 6816749), (3704, 5447510), (4630, 4358008), (7408, 2723755), (9260, 2179004), (14723, 1370480), (17131, 1177840), (18520, 1089502), (29446, 685240), (34262, 588920), (37040, 544751), (58892, 342620), (68524, 294460), (73615, 274096), (85655, 235568), (117784, 171310), (137048, 147230)]