145427840

素因数分解:

$2^7\times 5^1\times {\mathrm{227231}}^1$

素因数の和:227250

約数の個数: 32

約数和(自身を含む): 347664960

約数和(自身を除く): 202237120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 227231, 454462, 908924, 1136155, 1817848, 2272310, 3635696, 4544620, 7271392, 9089240, 14542784, 18178480, 29085568, 36356960, 72713920, 145427840]

約数ペア:

[(1, 145427840), (2, 72713920), (4, 36356960), (5, 29085568), (8, 18178480), (10, 14542784), (16, 9089240), (20, 7271392), (32, 4544620), (40, 3635696), (64, 2272310), (80, 1817848), (128, 1136155), (160, 908924), (320, 454462), (640, 227231)]