193884920

素因数分解:

$2^3\times 5^1\times {\mathrm{2161}}^1\times {\mathrm{2243}}^1$

素因数の和:4415

約数の個数: 32

約数和(自身を含む): 436637520

約数和(自身を除く): 242752600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2161, 2243, 4322, 4486, 8644, 8972, 10805, 11215, 17288, 17944, 21610, 22430, 43220, 44860, 86440, 89720, 4847123, 9694246, 19388492, 24235615, 38776984, 48471230, 96942460, 193884920]

約数ペア:

[(1, 193884920), (2, 96942460), (4, 48471230), (5, 38776984), (8, 24235615), (10, 19388492), (20, 9694246), (40, 4847123), (2161, 89720), (2243, 86440), (4322, 44860), (4486, 43220), (8644, 22430), (8972, 21610), (10805, 17944), (11215, 17288)]