1036990040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{4549}}^1$

素因数の和:4740

約数の個数: 64

約数和(自身を含む): 2407860000

約数和(自身を除く): 1370869960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 139, 164, 205, 278, 328, 410, 556, 695, 820, 1112, 1390, 1640, 2780, 4549, 5560, 5699, 9098, 11398, 18196, 22745, 22796, 28495, 36392, 45490, 45592, 56990, 90980, 113980, 181960, 186509, 227960, 373018, 632311, 746036, 932545, 1264622, 1492072, 1865090, 2529244, 3161555, 3730180, 5058488, 6323110, 7460360, 12646220, 25292440, 25924751, 51849502, 103699004, 129623755, 207398008, 259247510, 518495020, 1036990040]

約数ペア:

[(1, 1036990040), (2, 518495020), (4, 259247510), (5, 207398008), (8, 129623755), (10, 103699004), (20, 51849502), (40, 25924751), (41, 25292440), (82, 12646220), (139, 7460360), (164, 6323110), (205, 5058488), (278, 3730180), (328, 3161555), (410, 2529244), (556, 1865090), (695, 1492072), (820, 1264622), (1112, 932545), (1390, 746036), (1640, 632311), (2780, 373018), (4549, 227960), (5560, 186509), (5699, 181960), (9098, 113980), (11398, 90980), (18196, 56990), (22745, 45592), (22796, 45490), (28495, 36392)]