55440680

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{16699}}^1$

素因数の和:16793

約数の個数: 32

約数和(自身を含む): 126252000

約数和(自身を除く): 70811320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 16699, 33398, 66796, 83495, 133592, 166990, 333980, 667960, 1386017, 2772034, 5544068, 6930085, 11088136, 13860170, 27720340, 55440680]

約数ペア:

[(1, 55440680), (2, 27720340), (4, 13860170), (5, 11088136), (8, 6930085), (10, 5544068), (20, 2772034), (40, 1386017), (83, 667960), (166, 333980), (332, 166990), (415, 133592), (664, 83495), (830, 66796), (1660, 33398), (3320, 16699)]