2051208880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{44131}}^1$

素因数の和:44234

約数の個数: 80

約数和(自身を含む): 5516146944

約数和(自身を除く): 3464938064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 83, 112, 140, 166, 280, 332, 415, 560, 581, 664, 830, 1162, 1328, 1660, 2324, 2905, 3320, 4648, 5810, 6640, 9296, 11620, 23240, 44131, 46480, 88262, 176524, 220655, 308917, 353048, 441310, 617834, 706096, 882620, 1235668, 1544585, 1765240, 2471336, 3089170, 3530480, 3662873, 4942672, 6178340, 7325746, 12356680, 14651492, 18314365, 24713360, 25640111, 29302984, 36628730, 51280222, 58605968, 73257460, 102560444, 128200555, 146514920, 205120888, 256401110, 293029840, 410241776, 512802220, 1025604440, 2051208880]

約数ペア:

[(1, 2051208880), (2, 1025604440), (4, 512802220), (5, 410241776), (7, 293029840), (8, 256401110), (10, 205120888), (14, 146514920), (16, 128200555), (20, 102560444), (28, 73257460), (35, 58605968), (40, 51280222), (56, 36628730), (70, 29302984), (80, 25640111), (83, 24713360), (112, 18314365), (140, 14651492), (166, 12356680), (280, 7325746), (332, 6178340), (415, 4942672), (560, 3662873), (581, 3530480), (664, 3089170), (830, 2471336), (1162, 1765240), (1328, 1544585), (1660, 1235668), (2324, 882620), (2905, 706096), (3320, 617834), (4648, 441310), (5810, 353048), (6640, 308917), (9296, 220655), (11620, 176524), (23240, 88262), (44131, 46480)]