145623680

素因数分解:

$2^7\times 5^1\times {\mathrm{227537}}^1$

素因数の和:227556

約数の個数: 32

約数和(自身を含む): 348133140

約数和(自身を除く): 202509460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 227537, 455074, 910148, 1137685, 1820296, 2275370, 3640592, 4550740, 7281184, 9101480, 14562368, 18202960, 29124736, 36405920, 72811840, 145623680]

約数ペア:

[(1, 145623680), (2, 72811840), (4, 36405920), (5, 29124736), (8, 18202960), (10, 14562368), (16, 9101480), (20, 7281184), (32, 4550740), (40, 3640592), (64, 2275370), (80, 1820296), (128, 1137685), (160, 910148), (320, 455074), (640, 227537)]