201620794570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1\times {\mathrm{48299}}^1$

素因数の和:48679

約数の個数: 64

約数和(自身を含む): 395236195200

約数和(自身を除く): 193615400630

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 163, 197, 326, 394, 815, 985, 1630, 1970, 2119, 2561, 4238, 5122, 10595, 12805, 21190, 25610, 32111, 48299, 64222, 96598, 160555, 241495, 321110, 417443, 482990, 627887, 834886, 1255774, 2087215, 3139435, 4174430, 6278870, 7872737, 9514903, 15745474, 19029806, 39363685, 47574515, 78727370, 95149030, 102345581, 123693739, 204691162, 247387478, 511727905, 618468695, 1023455810, 1236937390, 1550929189, 3101858378, 7754645945, 15509291890, 20162079457, 40324158914, 100810397285, 201620794570]

約数ペア:

[(1, 201620794570), (2, 100810397285), (5, 40324158914), (10, 20162079457), (13, 15509291890), (26, 7754645945), (65, 3101858378), (130, 1550929189), (163, 1236937390), (197, 1023455810), (326, 618468695), (394, 511727905), (815, 247387478), (985, 204691162), (1630, 123693739), (1970, 102345581), (2119, 95149030), (2561, 78727370), (4238, 47574515), (5122, 39363685), (10595, 19029806), (12805, 15745474), (21190, 9514903), (25610, 7872737), (32111, 6278870), (48299, 4174430), (64222, 3139435), (96598, 2087215), (160555, 1255774), (241495, 834886), (321110, 627887), (417443, 482990)]