16990120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{60679}}^1$

素因数の和:60697

約数の個数: 32

約数和(自身を含む): 43689600

約数和(自身を除く): 26699480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 60679, 121358, 242716, 303395, 424753, 485432, 606790, 849506, 1213580, 1699012, 2123765, 2427160, 3398024, 4247530, 8495060, 16990120]

約数ペア:

[(1, 16990120), (2, 8495060), (4, 4247530), (5, 3398024), (7, 2427160), (8, 2123765), (10, 1699012), (14, 1213580), (20, 849506), (28, 606790), (35, 485432), (40, 424753), (56, 303395), (70, 242716), (140, 121358), (280, 60679)]