38887480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{983}}^1$

素因数の和:1060

約数の個数: 64

約数和(自身を含む): 93519360

約数和(自身を除く): 54631880

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 430, 460, 860, 920, 983, 989, 1720, 1966, 1978, 3932, 3956, 4915, 4945, 7864, 7912, 9830, 9890, 19660, 19780, 22609, 39320, 39560, 42269, 45218, 84538, 90436, 113045, 169076, 180872, 211345, 226090, 338152, 422690, 452180, 845380, 904360, 972187, 1690760, 1944374, 3888748, 4860935, 7777496, 9721870, 19443740, 38887480]

約数ペア:

[(1, 38887480), (2, 19443740), (4, 9721870), (5, 7777496), (8, 4860935), (10, 3888748), (20, 1944374), (23, 1690760), (40, 972187), (43, 904360), (46, 845380), (86, 452180), (92, 422690), (115, 338152), (172, 226090), (184, 211345), (215, 180872), (230, 169076), (344, 113045), (430, 90436), (460, 84538), (860, 45218), (920, 42269), (983, 39560), (989, 39320), (1720, 22609), (1966, 19780), (1978, 19660), (3932, 9890), (3956, 9830), (4915, 7912), (4945, 7864)]