30988520

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{4639}}^1$

素因数の和:4817

約数の個数: 32

約数和(自身を含む): 70156800

約数和(自身を除く): 39168280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 4639, 6680, 9278, 18556, 23195, 37112, 46390, 92780, 185560, 774713, 1549426, 3098852, 3873565, 6197704, 7747130, 15494260, 30988520]

約数ペア:

[(1, 30988520), (2, 15494260), (4, 7747130), (5, 6197704), (8, 3873565), (10, 3098852), (20, 1549426), (40, 774713), (167, 185560), (334, 92780), (668, 46390), (835, 37112), (1336, 23195), (1670, 18556), (3340, 9278), (4639, 6680)]