181374920

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{54631}}^1$

素因数の和:54725

約数の個数: 32

約数和(自身を含む): 413017920

約数和(自身を除く): 231643000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 54631, 109262, 218524, 273155, 437048, 546310, 1092620, 2185240, 4534373, 9068746, 18137492, 22671865, 36274984, 45343730, 90687460, 181374920]

約数ペア:

[(1, 181374920), (2, 90687460), (4, 45343730), (5, 36274984), (8, 22671865), (10, 18137492), (20, 9068746), (40, 4534373), (83, 2185240), (166, 1092620), (332, 546310), (415, 437048), (664, 273155), (830, 218524), (1660, 109262), (3320, 54631)]