18122240

素因数分解:

$2^9\times 5^1\times {\mathrm{7079}}^1$

素因数の和:7102

約数の個数: 40

約数和(自身を含む): 43457040

約数和(自身を除く): 25334800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 7079, 14158, 28316, 35395, 56632, 70790, 113264, 141580, 226528, 283160, 453056, 566320, 906112, 1132640, 1812224, 2265280, 3624448, 4530560, 9061120, 18122240]

約数ペア:

[(1, 18122240), (2, 9061120), (4, 4530560), (5, 3624448), (8, 2265280), (10, 1812224), (16, 1132640), (20, 906112), (32, 566320), (40, 453056), (64, 283160), (80, 226528), (128, 141580), (160, 113264), (256, 70790), (320, 56632), (512, 35395), (640, 28316), (1280, 14158), (2560, 7079)]