16885180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{643}}^1$

素因数の和:766

約数の個数: 48

約数和(自身を含む): 38624544

約数和(自身を除く): 21739364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 404, 505, 643, 1010, 1286, 1313, 2020, 2572, 2626, 3215, 5252, 6430, 6565, 8359, 12860, 13130, 16718, 26260, 33436, 41795, 64943, 83590, 129886, 167180, 259772, 324715, 649430, 844259, 1298860, 1688518, 3377036, 4221295, 8442590, 16885180]

約数ペア:

[(1, 16885180), (2, 8442590), (4, 4221295), (5, 3377036), (10, 1688518), (13, 1298860), (20, 844259), (26, 649430), (52, 324715), (65, 259772), (101, 167180), (130, 129886), (202, 83590), (260, 64943), (404, 41795), (505, 33436), (643, 26260), (1010, 16718), (1286, 13130), (1313, 12860), (2020, 8359), (2572, 6565), (2626, 6430), (3215, 5252)]