38423440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{929}}^1$

素因数の和:1000

約数の個数: 80

約数和(自身を含む): 99636480

約数和(自身を除く): 61213040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 176, 188, 220, 235, 376, 440, 470, 517, 752, 880, 929, 940, 1034, 1858, 1880, 2068, 2585, 3716, 3760, 4136, 4645, 5170, 7432, 8272, 9290, 10219, 10340, 14864, 18580, 20438, 20680, 37160, 40876, 41360, 43663, 51095, 74320, 81752, 87326, 102190, 163504, 174652, 204380, 218315, 349304, 408760, 436630, 480293, 698608, 817520, 873260, 960586, 1746520, 1921172, 2401465, 3493040, 3842344, 4802930, 7684688, 9605860, 19211720, 38423440]

約数ペア:

[(1, 38423440), (2, 19211720), (4, 9605860), (5, 7684688), (8, 4802930), (10, 3842344), (11, 3493040), (16, 2401465), (20, 1921172), (22, 1746520), (40, 960586), (44, 873260), (47, 817520), (55, 698608), (80, 480293), (88, 436630), (94, 408760), (110, 349304), (176, 218315), (188, 204380), (220, 174652), (235, 163504), (376, 102190), (440, 87326), (470, 81752), (517, 74320), (752, 51095), (880, 43663), (929, 41360), (940, 40876), (1034, 37160), (1858, 20680), (1880, 20438), (2068, 18580), (2585, 14864), (3716, 10340), (3760, 10219), (4136, 9290), (4645, 8272), (5170, 7432)]