20110512040

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{829}}^1\times {\mathrm{2143}}^1$

素因数の和:3266

約数の個数: 64

約数和(自身を含む): 45484531200

約数和(自身を除く): 25374019160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 829, 1132, 1415, 1658, 2143, 2264, 2830, 3316, 4145, 4286, 5660, 6632, 8290, 8572, 10715, 11320, 16580, 17144, 21430, 33160, 42860, 85720, 234607, 469214, 606469, 938428, 1173035, 1212938, 1776547, 1876856, 2346070, 2425876, 3032345, 3553094, 4692140, 4851752, 6064690, 7106188, 8882735, 9384280, 12129380, 14212376, 17765470, 24258760, 35530940, 71061880, 502762801, 1005525602, 2011051204, 2513814005, 4022102408, 5027628010, 10055256020, 20110512040]

約数ペア:

[(1, 20110512040), (2, 10055256020), (4, 5027628010), (5, 4022102408), (8, 2513814005), (10, 2011051204), (20, 1005525602), (40, 502762801), (283, 71061880), (566, 35530940), (829, 24258760), (1132, 17765470), (1415, 14212376), (1658, 12129380), (2143, 9384280), (2264, 8882735), (2830, 7106188), (3316, 6064690), (4145, 4851752), (4286, 4692140), (5660, 3553094), (6632, 3032345), (8290, 2425876), (8572, 2346070), (10715, 1876856), (11320, 1776547), (16580, 1212938), (17144, 1173035), (21430, 938428), (33160, 606469), (42860, 469214), (85720, 234607)]