1720030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:252

約数の個数: 32

約数和(自身を含む): 3392928

約数和(自身を除く): 1672898

約数列:

[1, 2, 5, 10, 13, 26, 65, 101, 130, 131, 202, 262, 505, 655, 1010, 1310, 1313, 1703, 2626, 3406, 6565, 8515, 13130, 13231, 17030, 26462, 66155, 132310, 172003, 344006, 860015, 1720030]

約数ペア:

[(1, 1720030), (2, 860015), (5, 344006), (10, 172003), (13, 132310), (26, 66155), (65, 26462), (101, 17030), (130, 13231), (131, 13130), (202, 8515), (262, 6565), (505, 3406), (655, 2626), (1010, 1703), (1310, 1313)]