6640420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^2$

素因数の和:252

約数の個数: 36

約数和(自身を含む): 14561820

約数和(自身を除く): 7921400

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 107, 116, 145, 214, 290, 428, 535, 580, 1070, 2140, 3103, 6206, 11449, 12412, 15515, 22898, 31030, 45796, 57245, 62060, 114490, 228980, 332021, 664042, 1328084, 1660105, 3320210, 6640420]

約数ペア:

[(1, 6640420), (2, 3320210), (4, 1660105), (5, 1328084), (10, 664042), (20, 332021), (29, 228980), (58, 114490), (107, 62060), (116, 57245), (145, 45796), (214, 31030), (290, 22898), (428, 15515), (535, 12412), (580, 11449), (1070, 6206), (2140, 3103)]