201660485780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{613}}^1\times {\mathrm{1265281}}^1$

素因数の和:1265916

約数の個数: 48

約数和(自身を含む): 456807291024

約数和(自身を除く): 255146805244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 613, 1226, 2452, 3065, 6130, 7969, 12260, 15938, 31876, 39845, 79690, 159380, 1265281, 2530562, 5061124, 6326405, 12652810, 16448653, 25305620, 32897306, 65794612, 82243265, 164486530, 328973060, 775617253, 1551234506, 3102469012, 3878086265, 7756172530, 10083024289, 15512345060, 20166048578, 40332097156, 50415121445, 100830242890, 201660485780]

約数ペア:

[(1, 201660485780), (2, 100830242890), (4, 50415121445), (5, 40332097156), (10, 20166048578), (13, 15512345060), (20, 10083024289), (26, 7756172530), (52, 3878086265), (65, 3102469012), (130, 1551234506), (260, 775617253), (613, 328973060), (1226, 164486530), (2452, 82243265), (3065, 65794612), (6130, 32897306), (7969, 25305620), (12260, 16448653), (15938, 12652810), (31876, 6326405), (39845, 5061124), (79690, 2530562), (159380, 1265281)]