80140160

素因数分解:

$2^7\times 5^1\times {\mathrm{125219}}^1$

素因数の和:125238

約数の個数: 32

約数和(自身を含む): 191586600

約数和(自身を除く): 111446440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 125219, 250438, 500876, 626095, 1001752, 1252190, 2003504, 2504380, 4007008, 5008760, 8014016, 10017520, 16028032, 20035040, 40070080, 80140160]

約数ペア:

[(1, 80140160), (2, 40070080), (4, 20035040), (5, 16028032), (8, 10017520), (10, 8014016), (16, 5008760), (20, 4007008), (32, 2504380), (40, 2003504), (64, 1252190), (80, 1001752), (128, 626095), (160, 500876), (320, 250438), (640, 125219)]