4720840

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1103}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 10730880

約数和(自身を除く): 6010040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 1103, 2140, 2206, 4280, 4412, 5515, 8824, 11030, 22060, 44120, 118021, 236042, 472084, 590105, 944168, 1180210, 2360420, 4720840]

約数ペア:

[(1, 4720840), (2, 2360420), (4, 1180210), (5, 944168), (8, 590105), (10, 472084), (20, 236042), (40, 118021), (107, 44120), (214, 22060), (428, 11030), (535, 8824), (856, 5515), (1070, 4412), (1103, 4280), (2140, 2206)]