15430040

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3539}}^1$

素因数の和:3659

約数の個数: 32

約数和(自身を含む): 35046000

約数和(自身を除く): 19615960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 3539, 4360, 7078, 14156, 17695, 28312, 35390, 70780, 141560, 385751, 771502, 1543004, 1928755, 3086008, 3857510, 7715020, 15430040]

約数ペア:

[(1, 15430040), (2, 7715020), (4, 3857510), (5, 3086008), (8, 1928755), (10, 1543004), (20, 771502), (40, 385751), (109, 141560), (218, 70780), (436, 35390), (545, 28312), (872, 17695), (1090, 14156), (2180, 7078), (3539, 4360)]