827837020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{16087}}^1$

素因数の和:16210

約数の個数: 48

約数和(自身を含む): 1816270848

約数和(自身を除く): 988433828

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 83, 124, 155, 166, 310, 332, 415, 620, 830, 1660, 2573, 5146, 10292, 12865, 16087, 25730, 32174, 51460, 64348, 80435, 160870, 321740, 498697, 997394, 1335221, 1994788, 2493485, 2670442, 4986970, 5340884, 6676105, 9973940, 13352210, 26704420, 41391851, 82783702, 165567404, 206959255, 413918510, 827837020]

約数ペア:

[(1, 827837020), (2, 413918510), (4, 206959255), (5, 165567404), (10, 82783702), (20, 41391851), (31, 26704420), (62, 13352210), (83, 9973940), (124, 6676105), (155, 5340884), (166, 4986970), (310, 2670442), (332, 2493485), (415, 1994788), (620, 1335221), (830, 997394), (1660, 498697), (2573, 321740), (5146, 160870), (10292, 80435), (12865, 64348), (16087, 51460), (25730, 32174)]