71580260

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{87293}}^1$

素因数の和:87343

約数の個数: 24

約数和(自身を含む): 153986616

約数和(自身を除く): 82406356

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 87293, 174586, 349172, 436465, 872930, 1745860, 3579013, 7158026, 14316052, 17895065, 35790130, 71580260]

約数ペア:

[(1, 71580260), (2, 35790130), (4, 17895065), (5, 14316052), (10, 7158026), (20, 3579013), (41, 1745860), (82, 872930), (164, 436465), (205, 349172), (410, 174586), (820, 87293)]