1025116880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{674419}}^1$

素因数の和:674451

約数の個数: 40

約数和(自身を含む): 2508842400

約数和(自身を除く): 1483725520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 674419, 1348838, 2697676, 3372095, 5395352, 6744190, 10790704, 12813961, 13488380, 25627922, 26976760, 51255844, 53953520, 64069805, 102511688, 128139610, 205023376, 256279220, 512558440, 1025116880]

約数ペア:

[(1, 1025116880), (2, 512558440), (4, 256279220), (5, 205023376), (8, 128139610), (10, 102511688), (16, 64069805), (19, 53953520), (20, 51255844), (38, 26976760), (40, 25627922), (76, 13488380), (80, 12813961), (95, 10790704), (152, 6744190), (190, 5395352), (304, 3372095), (380, 2697676), (760, 1348838), (1520, 674419)]