40870448

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:234

約数の個数: 80

約数和(自身を含む): 89994240

約数和(自身を除く): 49123792

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 47, 68, 92, 94, 136, 139, 184, 188, 272, 278, 368, 376, 391, 556, 752, 782, 799, 1081, 1112, 1564, 1598, 2162, 2224, 2363, 3128, 3196, 3197, 4324, 4726, 6256, 6392, 6394, 6533, 8648, 9452, 12784, 12788, 13066, 17296, 18377, 18904, 25576, 26132, 36754, 37808, 51152, 52264, 54349, 73508, 104528, 108698, 111061, 147016, 150259, 217396, 222122, 294032, 300518, 434792, 444244, 601036, 869584, 888488, 1202072, 1776976, 2404144, 2554403, 5108806, 10217612, 20435224, 40870448]

約数ペア:

[(1, 40870448), (2, 20435224), (4, 10217612), (8, 5108806), (16, 2554403), (17, 2404144), (23, 1776976), (34, 1202072), (46, 888488), (47, 869584), (68, 601036), (92, 444244), (94, 434792), (136, 300518), (139, 294032), (184, 222122), (188, 217396), (272, 150259), (278, 147016), (368, 111061), (376, 108698), (391, 104528), (556, 73508), (752, 54349), (782, 52264), (799, 51152), (1081, 37808), (1112, 36754), (1564, 26132), (1598, 25576), (2162, 18904), (2224, 18377), (2363, 17296), (3128, 13066), (3196, 12788), (3197, 12784), (4324, 9452), (4726, 8648), (6256, 6533), (6392, 6394)]