28974080

素因数分解:

$2^{10}\times 5^1\times {\mathrm{5659}}^1$

素因数の和:5684

約数の個数: 44

約数和(自身を含む): 69516120

約数和(自身を除く): 40542040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 5659, 11318, 22636, 28295, 45272, 56590, 90544, 113180, 181088, 226360, 362176, 452720, 724352, 905440, 1448704, 1810880, 2897408, 3621760, 5794816, 7243520, 14487040, 28974080]

約数ペア:

[(1, 28974080), (2, 14487040), (4, 7243520), (5, 5794816), (8, 3621760), (10, 2897408), (16, 1810880), (20, 1448704), (32, 905440), (40, 724352), (64, 452720), (80, 362176), (128, 226360), (160, 181088), (256, 113180), (320, 90544), (512, 56590), (640, 45272), (1024, 28295), (1280, 22636), (2560, 11318), (5120, 5659)]