20130182525

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1\times {\mathrm{1223}}^1$

素因数の和:1646

約数の個数: 48

約数和(自身を含む): 26281532160

約数和(自身を除く): 6151349635

約数列:

[1, 5, 25, 29, 73, 145, 311, 365, 725, 1223, 1555, 1825, 2117, 6115, 7775, 9019, 10585, 22703, 30575, 35467, 45095, 52925, 89279, 113515, 177335, 225475, 380353, 446395, 567575, 658387, 886675, 1901765, 2231975, 2589091, 3291935, 9508825, 11030237, 12945455, 16459675, 27765769, 55151185, 64727275, 138828845, 275755925, 694144225, 805207301, 4026036505, 20130182525]

約数ペア:

[(1, 20130182525), (5, 4026036505), (25, 805207301), (29, 694144225), (73, 275755925), (145, 138828845), (311, 64727275), (365, 55151185), (725, 27765769), (1223, 16459675), (1555, 12945455), (1825, 11030237), (2117, 9508825), (6115, 3291935), (7775, 2589091), (9019, 2231975), (10585, 1901765), (22703, 886675), (30575, 658387), (35467, 567575), (45095, 446395), (52925, 380353), (89279, 225475), (113515, 177335)]