15969880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21013}}^1$

素因数の和:21043

約数の個数: 32

約数和(自身を含む): 37825200

約数和(自身を除く): 21855320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 21013, 42026, 84052, 105065, 168104, 210130, 399247, 420260, 798494, 840520, 1596988, 1996235, 3193976, 3992470, 7984940, 15969880]

約数ペア:

[(1, 15969880), (2, 7984940), (4, 3992470), (5, 3193976), (8, 1996235), (10, 1596988), (19, 840520), (20, 798494), (38, 420260), (40, 399247), (76, 210130), (95, 168104), (152, 105065), (190, 84052), (380, 42026), (760, 21013)]