40507278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2207}}^1$

素因数の和:2261

約数の個数: 64

約数和(自身を含む): 101744640

約数和(自身を除く): 61237362

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 23, 38, 42, 46, 57, 69, 114, 133, 138, 161, 266, 322, 399, 437, 483, 798, 874, 966, 1311, 2207, 2622, 3059, 4414, 6118, 6621, 9177, 13242, 15449, 18354, 30898, 41933, 46347, 50761, 83866, 92694, 101522, 125799, 152283, 251598, 293531, 304566, 355327, 587062, 710654, 880593, 964459, 1065981, 1761186, 1928918, 2131962, 2893377, 5786754, 6751213, 13502426, 20253639, 40507278]

約数ペア:

[(1, 40507278), (2, 20253639), (3, 13502426), (6, 6751213), (7, 5786754), (14, 2893377), (19, 2131962), (21, 1928918), (23, 1761186), (38, 1065981), (42, 964459), (46, 880593), (57, 710654), (69, 587062), (114, 355327), (133, 304566), (138, 293531), (161, 251598), (266, 152283), (322, 125799), (399, 101522), (437, 92694), (483, 83866), (798, 50761), (874, 46347), (966, 41933), (1311, 30898), (2207, 18354), (2622, 15449), (3059, 13242), (4414, 9177), (6118, 6621)]