1581992080

素因数分解:

$2^4\times 5^1\times {\mathrm{739}}^1\times {\mathrm{26759}}^1$

素因数の和:27511

約数の個数: 40

約数和(自身を含む): 3683246400

約数和(自身を除く): 2101254320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 739, 1478, 2956, 3695, 5912, 7390, 11824, 14780, 26759, 29560, 53518, 59120, 107036, 133795, 214072, 267590, 428144, 535180, 1070360, 2140720, 19774901, 39549802, 79099604, 98874505, 158199208, 197749010, 316398416, 395498020, 790996040, 1581992080]

約数ペア:

[(1, 1581992080), (2, 790996040), (4, 395498020), (5, 316398416), (8, 197749010), (10, 158199208), (16, 98874505), (20, 79099604), (40, 39549802), (80, 19774901), (739, 2140720), (1478, 1070360), (2956, 535180), (3695, 428144), (5912, 267590), (7390, 214072), (11824, 133795), (14780, 107036), (26759, 59120), (29560, 53518)]