1640287570

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1\times {\mathrm{2803}}^1$

素因数の和:3370

約数の個数: 32

約数和(自身を含む): 2981885760

約数和(自身を除く): 1341598190

約数列:

[1, 2, 5, 10, 139, 278, 421, 695, 842, 1390, 2105, 2803, 4210, 5606, 14015, 28030, 58519, 117038, 292595, 389617, 585190, 779234, 1180063, 1948085, 2360126, 3896170, 5900315, 11800630, 164028757, 328057514, 820143785, 1640287570]

約数ペア:

[(1, 1640287570), (2, 820143785), (5, 328057514), (10, 164028757), (139, 11800630), (278, 5900315), (421, 3896170), (695, 2360126), (842, 1948085), (1390, 1180063), (2105, 779234), (2803, 585190), (4210, 389617), (5606, 292595), (14015, 117038), (28030, 58519)]