12465040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{22259}}^1$

素因数の和:22279

約数の個数: 40

約数和(自身を含む): 33122880

約数和(自身を除く): 20657840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 22259, 44518, 89036, 111295, 155813, 178072, 222590, 311626, 356144, 445180, 623252, 779065, 890360, 1246504, 1558130, 1780720, 2493008, 3116260, 6232520, 12465040]

約数ペア:

[(1, 12465040), (2, 6232520), (4, 3116260), (5, 2493008), (7, 1780720), (8, 1558130), (10, 1246504), (14, 890360), (16, 779065), (20, 623252), (28, 445180), (35, 356144), (40, 311626), (56, 222590), (70, 178072), (80, 155813), (112, 111295), (140, 89036), (280, 44518), (560, 22259)]