39781720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3931}}^1$

素因数の和:3976

約数の個数: 64

約数和(自身を含む): 101917440

約数和(自身を除く): 62135720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 3931, 5060, 7862, 10120, 15724, 19655, 31448, 39310, 43241, 78620, 86482, 90413, 157240, 172964, 180826, 216205, 345928, 361652, 432410, 452065, 723304, 864820, 904130, 994543, 1729640, 1808260, 1989086, 3616520, 3978172, 4972715, 7956344, 9945430, 19890860, 39781720]

約数ペア:

[(1, 39781720), (2, 19890860), (4, 9945430), (5, 7956344), (8, 4972715), (10, 3978172), (11, 3616520), (20, 1989086), (22, 1808260), (23, 1729640), (40, 994543), (44, 904130), (46, 864820), (55, 723304), (88, 452065), (92, 432410), (110, 361652), (115, 345928), (184, 216205), (220, 180826), (230, 172964), (253, 157240), (440, 90413), (460, 86482), (506, 78620), (920, 43241), (1012, 39310), (1265, 31448), (2024, 19655), (2530, 15724), (3931, 10120), (5060, 7862)]