15957040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18133}}^1$

素因数の和:18157

約数の個数: 40

約数和(自身を含む): 40475088

約数和(自身を除く): 24518048

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 18133, 36266, 72532, 90665, 145064, 181330, 199463, 290128, 362660, 398926, 725320, 797852, 997315, 1450640, 1595704, 1994630, 3191408, 3989260, 7978520, 15957040]

約数ペア:

[(1, 15957040), (2, 7978520), (4, 3989260), (5, 3191408), (8, 1994630), (10, 1595704), (11, 1450640), (16, 997315), (20, 797852), (22, 725320), (40, 398926), (44, 362660), (55, 290128), (80, 199463), (88, 181330), (110, 145064), (176, 90665), (220, 72532), (440, 36266), (880, 18133)]