8671840

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{653}}^1$

素因数の和:751

約数の個数: 48

約数和(自身を含む): 20765808

約数和(自身を除く): 12093968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 653, 664, 830, 1306, 1328, 1660, 2612, 2656, 3265, 3320, 5224, 6530, 6640, 10448, 13060, 13280, 20896, 26120, 52240, 54199, 104480, 108398, 216796, 270995, 433592, 541990, 867184, 1083980, 1734368, 2167960, 4335920, 8671840]

約数ペア:

[(1, 8671840), (2, 4335920), (4, 2167960), (5, 1734368), (8, 1083980), (10, 867184), (16, 541990), (20, 433592), (32, 270995), (40, 216796), (80, 108398), (83, 104480), (160, 54199), (166, 52240), (332, 26120), (415, 20896), (653, 13280), (664, 13060), (830, 10448), (1306, 6640), (1328, 6530), (1660, 5224), (2612, 3320), (2656, 3265)]