65949320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{40213}}^1$

素因数の和:40265

約数の個数: 32

約数和(自身を含む): 152008920

約数和(自身を除く): 86059600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 40213, 80426, 160852, 201065, 321704, 402130, 804260, 1608520, 1648733, 3297466, 6594932, 8243665, 13189864, 16487330, 32974660, 65949320]

約数ペア:

[(1, 65949320), (2, 32974660), (4, 16487330), (5, 13189864), (8, 8243665), (10, 6594932), (20, 3297466), (40, 1648733), (41, 1608520), (82, 804260), (164, 402130), (205, 321704), (328, 201065), (410, 160852), (820, 80426), (1640, 40213)]