38857720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1879}}^1$

素因数の和:1948

約数の個数: 64

約数和(自身を含む): 97459200

約数和(自身を除く): 58601480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 940, 1034, 1879, 1880, 2068, 2585, 3758, 4136, 5170, 7516, 9395, 10340, 15032, 18790, 20669, 20680, 37580, 41338, 75160, 82676, 88313, 103345, 165352, 176626, 206690, 353252, 413380, 441565, 706504, 826760, 883130, 971443, 1766260, 1942886, 3532520, 3885772, 4857215, 7771544, 9714430, 19428860, 38857720]

約数ペア:

[(1, 38857720), (2, 19428860), (4, 9714430), (5, 7771544), (8, 4857215), (10, 3885772), (11, 3532520), (20, 1942886), (22, 1766260), (40, 971443), (44, 883130), (47, 826760), (55, 706504), (88, 441565), (94, 413380), (110, 353252), (188, 206690), (220, 176626), (235, 165352), (376, 103345), (440, 88313), (470, 82676), (517, 75160), (940, 41338), (1034, 37580), (1879, 20680), (1880, 20669), (2068, 18790), (2585, 15032), (3758, 10340), (4136, 9395), (5170, 7516)]