30980360

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{4013}}^1$

素因数の和:4217

約数の個数: 32

約数和(自身を含む): 70084440

約数和(自身を除く): 39104080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 4013, 7720, 8026, 16052, 20065, 32104, 40130, 80260, 160520, 774509, 1549018, 3098036, 3872545, 6196072, 7745090, 15490180, 30980360]

約数ペア:

[(1, 30980360), (2, 15490180), (4, 7745090), (5, 6196072), (8, 3872545), (10, 3098036), (20, 1549018), (40, 774509), (193, 160520), (386, 80260), (772, 40130), (965, 32104), (1544, 20065), (1930, 16052), (3860, 8026), (4013, 7720)]