72844160

素因数分解:

$2^7\times 5^1\times {\mathrm{113819}}^1$

素因数の和:113838

約数の個数: 32

約数和(自身を含む): 174144600

約数和(自身を除く): 101300440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 113819, 227638, 455276, 569095, 910552, 1138190, 1821104, 2276380, 3642208, 4552760, 7284416, 9105520, 14568832, 18211040, 36422080, 72844160]

約数ペア:

[(1, 72844160), (2, 36422080), (4, 18211040), (5, 14568832), (8, 9105520), (10, 7284416), (16, 4552760), (20, 3642208), (32, 2276380), (40, 1821104), (64, 1138190), (80, 910552), (128, 569095), (160, 455276), (320, 227638), (640, 113819)]