40389518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 75116160

約数和(自身を除く): 34726642

約数列:

[1, 2, 13, 17, 23, 26, 29, 34, 46, 58, 137, 221, 274, 299, 377, 391, 442, 493, 598, 667, 754, 782, 986, 1334, 1781, 2329, 3151, 3562, 3973, 4658, 5083, 6302, 6409, 7946, 8671, 10166, 11339, 12818, 17342, 22678, 30277, 40963, 51649, 53567, 60554, 67541, 81926, 91379, 103298, 107134, 135082, 147407, 182758, 294814, 696371, 878033, 1187927, 1392742, 1553443, 1756066, 2375854, 3106886, 20194759, 40389518]

約数ペア:

[(1, 40389518), (2, 20194759), (13, 3106886), (17, 2375854), (23, 1756066), (26, 1553443), (29, 1392742), (34, 1187927), (46, 878033), (58, 696371), (137, 294814), (221, 182758), (274, 147407), (299, 135082), (377, 107134), (391, 103298), (442, 91379), (493, 81926), (598, 67541), (667, 60554), (754, 53567), (782, 51649), (986, 40963), (1334, 30277), (1781, 22678), (2329, 17342), (3151, 12818), (3562, 11339), (3973, 10166), (4658, 8671), (5083, 7946), (6302, 6409)]