16572620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{617}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 37376640

約数和(自身を除く): 20804020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 340, 395, 617, 790, 1234, 1343, 1580, 2468, 2686, 3085, 5372, 6170, 6715, 10489, 12340, 13430, 20978, 26860, 41956, 48743, 52445, 97486, 104890, 194972, 209780, 243715, 487430, 828631, 974860, 1657262, 3314524, 4143155, 8286310, 16572620]

約数ペア:

[(1, 16572620), (2, 8286310), (4, 4143155), (5, 3314524), (10, 1657262), (17, 974860), (20, 828631), (34, 487430), (68, 243715), (79, 209780), (85, 194972), (158, 104890), (170, 97486), (316, 52445), (340, 48743), (395, 41956), (617, 26860), (790, 20978), (1234, 13430), (1343, 12340), (1580, 10489), (2468, 6715), (2686, 6170), (3085, 5372)]