858550120

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{67709}}^1$

素因数の和:68037

約数の個数: 32

約数和(自身を含む): 1937860200

約数和(自身を除く): 1079310080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6340, 12680, 67709, 135418, 270836, 338545, 541672, 677090, 1354180, 2708360, 21463753, 42927506, 85855012, 107318765, 171710024, 214637530, 429275060, 858550120]

約数ペア:

[(1, 858550120), (2, 429275060), (4, 214637530), (5, 171710024), (8, 107318765), (10, 85855012), (20, 42927506), (40, 21463753), (317, 2708360), (634, 1354180), (1268, 677090), (1585, 541672), (2536, 338545), (3170, 270836), (6340, 135418), (12680, 67709)]