13800320

素因数分解:

$2^7\times 5^1\times {\mathrm{21563}}^1$

素因数の和:21582

約数の個数: 32

約数和(自身を含む): 32992920

約数和(自身を除く): 19192600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 21563, 43126, 86252, 107815, 172504, 215630, 345008, 431260, 690016, 862520, 1380032, 1725040, 2760064, 3450080, 6900160, 13800320]

約数ペア:

[(1, 13800320), (2, 6900160), (4, 3450080), (5, 2760064), (8, 1725040), (10, 1380032), (16, 862520), (20, 690016), (32, 431260), (40, 345008), (64, 215630), (80, 172504), (128, 107815), (160, 86252), (320, 43126), (640, 21563)]