40823590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 82944000

約数和(自身を除く): 42120410

約数列:

[1, 2, 5, 10, 19, 29, 31, 38, 58, 62, 95, 145, 155, 190, 239, 290, 310, 478, 551, 589, 899, 1102, 1178, 1195, 1798, 2390, 2755, 2945, 4495, 4541, 5510, 5890, 6931, 7409, 8990, 9082, 13862, 14818, 17081, 22705, 34162, 34655, 37045, 45410, 69310, 74090, 85405, 131689, 140771, 170810, 214861, 263378, 281542, 429722, 658445, 703855, 1074305, 1316890, 1407710, 2148610, 4082359, 8164718, 20411795, 40823590]

約数ペア:

[(1, 40823590), (2, 20411795), (5, 8164718), (10, 4082359), (19, 2148610), (29, 1407710), (31, 1316890), (38, 1074305), (58, 703855), (62, 658445), (95, 429722), (145, 281542), (155, 263378), (190, 214861), (239, 170810), (290, 140771), (310, 131689), (478, 85405), (551, 74090), (589, 69310), (899, 45410), (1102, 37045), (1178, 34655), (1195, 34162), (1798, 22705), (2390, 17081), (2755, 14818), (2945, 13862), (4495, 9082), (4541, 8990), (5510, 7409), (5890, 6931)]