145412480

素因数分解:

$2^7\times 5^1\times {\mathrm{227207}}^1$

素因数の和:227226

約数の個数: 32

約数和(自身を含む): 347628240

約数和(自身を除く): 202215760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 227207, 454414, 908828, 1136035, 1817656, 2272070, 3635312, 4544140, 7270624, 9088280, 14541248, 18176560, 29082496, 36353120, 72706240, 145412480]

約数ペア:

[(1, 145412480), (2, 72706240), (4, 36353120), (5, 29082496), (8, 18176560), (10, 14541248), (16, 9088280), (20, 7270624), (32, 4544140), (40, 3635312), (64, 2272070), (80, 1817656), (128, 1136035), (160, 908828), (320, 454414), (640, 227207)]