51311030

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^2\times {\mathrm{503}}^1$

素因数の和:712

約数の個数: 24

約数和(自身を含む): 93468816

約数和(自身を除く): 42157786

約数列:

[1, 2, 5, 10, 101, 202, 503, 505, 1006, 1010, 2515, 5030, 10201, 20402, 50803, 51005, 101606, 102010, 254015, 508030, 5131103, 10262206, 25655515, 51311030]

約数ペア:

[(1, 51311030), (2, 25655515), (5, 10262206), (10, 5131103), (101, 508030), (202, 254015), (503, 102010), (505, 101606), (1006, 51005), (1010, 50803), (2515, 20402), (5030, 10201)]