18240880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{32573}}^1$

素因数の和:32593

約数の個数: 40

約数和(自身を含む): 48470112

約数和(自身を除く): 30229232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 32573, 65146, 130292, 162865, 228011, 260584, 325730, 456022, 521168, 651460, 912044, 1140055, 1302920, 1824088, 2280110, 2605840, 3648176, 4560220, 9120440, 18240880]

約数ペア:

[(1, 18240880), (2, 9120440), (4, 4560220), (5, 3648176), (7, 2605840), (8, 2280110), (10, 1824088), (14, 1302920), (16, 1140055), (20, 912044), (28, 651460), (35, 521168), (40, 456022), (56, 325730), (70, 260584), (80, 228011), (112, 162865), (140, 130292), (280, 65146), (560, 32573)]