15949480

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{1069}}^1$

素因数の和:1453

約数の個数: 32

約数和(自身を含む): 36016200

約数和(自身を除く): 20066720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1069, 1492, 1865, 2138, 2984, 3730, 4276, 5345, 7460, 8552, 10690, 14920, 21380, 42760, 398737, 797474, 1594948, 1993685, 3189896, 3987370, 7974740, 15949480]

約数ペア:

[(1, 15949480), (2, 7974740), (4, 3987370), (5, 3189896), (8, 1993685), (10, 1594948), (20, 797474), (40, 398737), (373, 42760), (746, 21380), (1069, 14920), (1492, 10690), (1865, 8552), (2138, 7460), (2984, 5345), (3730, 4276)]