189885040

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{81847}}^1$

素因数の和:81889

約数の個数: 40

約数和(自身を含む): 456711840

約数和(自身を除く): 266826800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 81847, 163694, 327388, 409235, 654776, 818470, 1309552, 1636940, 2373563, 3273880, 4747126, 6547760, 9494252, 11867815, 18988504, 23735630, 37977008, 47471260, 94942520, 189885040]

約数ペア:

[(1, 189885040), (2, 94942520), (4, 47471260), (5, 37977008), (8, 23735630), (10, 18988504), (16, 11867815), (20, 9494252), (29, 6547760), (40, 4747126), (58, 3273880), (80, 2373563), (116, 1636940), (145, 1309552), (232, 818470), (290, 654776), (464, 409235), (580, 327388), (1160, 163694), (2320, 81847)]