1999971320

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{602401}}^1$

素因数の和:602495

約数の個数: 32

約数和(自身を含む): 4554159120

約数和(自身を除く): 2554187800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 602401, 1204802, 2409604, 3012005, 4819208, 6024010, 12048020, 24096040, 49999283, 99998566, 199997132, 249996415, 399994264, 499992830, 999985660, 1999971320]

約数ペア:

[(1, 1999971320), (2, 999985660), (4, 499992830), (5, 399994264), (8, 249996415), (10, 199997132), (20, 99998566), (40, 49999283), (83, 24096040), (166, 12048020), (332, 6024010), (415, 4819208), (664, 3012005), (830, 2409604), (1660, 1204802), (3320, 602401)]