30912520

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{9311}}^1$

素因数の和:9405

約数の個数: 32

約数和(自身を含む): 70398720

約数和(自身を除く): 39486200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 9311, 18622, 37244, 46555, 74488, 93110, 186220, 372440, 772813, 1545626, 3091252, 3864065, 6182504, 7728130, 15456260, 30912520]

約数ペア:

[(1, 30912520), (2, 15456260), (4, 7728130), (5, 6182504), (8, 3864065), (10, 3091252), (20, 1545626), (40, 772813), (83, 372440), (166, 186220), (332, 93110), (415, 74488), (664, 46555), (830, 37244), (1660, 18622), (3320, 9311)]