1640189830

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{137947}}^1$

素因数の和:138024

約数の個数: 32

約数和(自身を含む): 3128660640

約数和(自身を除く): 1488470810

約数列:

[1, 2, 5, 10, 29, 41, 58, 82, 145, 205, 290, 410, 1189, 2378, 5945, 11890, 137947, 275894, 689735, 1379470, 4000463, 5655827, 8000926, 11311654, 20002315, 28279135, 40004630, 56558270, 164018983, 328037966, 820094915, 1640189830]

約数ペア:

[(1, 1640189830), (2, 820094915), (5, 328037966), (10, 164018983), (29, 56558270), (41, 40004630), (58, 28279135), (82, 20002315), (145, 11311654), (205, 8000926), (290, 5655827), (410, 4000463), (1189, 1379470), (2378, 689735), (5945, 275894), (11890, 137947)]