55618340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{823}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 121820160

約数和(自身を除く): 66201820

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 109, 124, 155, 218, 310, 436, 545, 620, 823, 1090, 1646, 2180, 3292, 3379, 4115, 6758, 8230, 13516, 16460, 16895, 25513, 33790, 51026, 67580, 89707, 102052, 127565, 179414, 255130, 358828, 448535, 510260, 897070, 1794140, 2780917, 5561834, 11123668, 13904585, 27809170, 55618340]

約数ペア:

[(1, 55618340), (2, 27809170), (4, 13904585), (5, 11123668), (10, 5561834), (20, 2780917), (31, 1794140), (62, 897070), (109, 510260), (124, 448535), (155, 358828), (218, 255130), (310, 179414), (436, 127565), (545, 102052), (620, 89707), (823, 67580), (1090, 51026), (1646, 33790), (2180, 25513), (3292, 16895), (3379, 16460), (4115, 13516), (6758, 8230)]