61108520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{138883}}^1$

素因数の和:138905

約数の個数: 32

約数和(自身を含む): 149994720

約数和(自身を除く): 88886200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 138883, 277766, 555532, 694415, 1111064, 1388830, 1527713, 2777660, 3055426, 5555320, 6110852, 7638565, 12221704, 15277130, 30554260, 61108520]

約数ペア:

[(1, 61108520), (2, 30554260), (4, 15277130), (5, 12221704), (8, 7638565), (10, 6110852), (11, 5555320), (20, 3055426), (22, 2777660), (40, 1527713), (44, 1388830), (55, 1111064), (88, 694415), (110, 555532), (220, 277766), (440, 138883)]