30089720

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{2131}}^1$

素因数の和:2495

約数の個数: 32

約数和(自身を含む): 67925520

約数和(自身を除く): 37835800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2131, 2824, 3530, 4262, 7060, 8524, 10655, 14120, 17048, 21310, 42620, 85240, 752243, 1504486, 3008972, 3761215, 6017944, 7522430, 15044860, 30089720]

約数ペア:

[(1, 30089720), (2, 15044860), (4, 7522430), (5, 6017944), (8, 3761215), (10, 3008972), (20, 1504486), (40, 752243), (353, 85240), (706, 42620), (1412, 21310), (1765, 17048), (2131, 14120), (2824, 10655), (3530, 8524), (4262, 7060)]