427201992680

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{128675299}}^1$

素因数の和:128675393

約数の個数: 32

約数和(自身を含む): 972785268000

約数和(自身を除く): 545583275320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 128675299, 257350598, 514701196, 643376495, 1029402392, 1286752990, 2573505980, 5147011960, 10680049817, 21360099634, 42720199268, 53400249085, 85440398536, 106800498170, 213600996340, 427201992680]

約数ペア:

[(1, 427201992680), (2, 213600996340), (4, 106800498170), (5, 85440398536), (8, 53400249085), (10, 42720199268), (20, 21360099634), (40, 10680049817), (83, 5147011960), (166, 2573505980), (332, 1286752990), (415, 1029402392), (664, 643376495), (830, 514701196), (1660, 257350598), (3320, 128675299)]