25808840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1171}}^1$

素因数の和:1230

約数の個数: 64

約数和(自身を含む): 63288000

約数和(自身を除く): 37479160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 190, 232, 290, 380, 551, 580, 760, 1102, 1160, 1171, 2204, 2342, 2755, 4408, 4684, 5510, 5855, 9368, 11020, 11710, 22040, 22249, 23420, 33959, 44498, 46840, 67918, 88996, 111245, 135836, 169795, 177992, 222490, 271672, 339590, 444980, 645221, 679180, 889960, 1290442, 1358360, 2580884, 3226105, 5161768, 6452210, 12904420, 25808840]

約数ペア:

[(1, 25808840), (2, 12904420), (4, 6452210), (5, 5161768), (8, 3226105), (10, 2580884), (19, 1358360), (20, 1290442), (29, 889960), (38, 679180), (40, 645221), (58, 444980), (76, 339590), (95, 271672), (116, 222490), (145, 177992), (152, 169795), (190, 135836), (232, 111245), (290, 88996), (380, 67918), (551, 46840), (580, 44498), (760, 33959), (1102, 23420), (1160, 22249), (1171, 22040), (2204, 11710), (2342, 11020), (2755, 9368), (4408, 5855), (4684, 5510)]