125868520

素因数分解:

$2^3\times 5^1\times {\mathrm{1571}}^1\times {\mathrm{2003}}^1$

素因数の和:3585

約数の個数: 32

約数和(自身を含む): 283525920

約数和(自身を除く): 157657400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1571, 2003, 3142, 4006, 6284, 7855, 8012, 10015, 12568, 15710, 16024, 20030, 31420, 40060, 62840, 80120, 3146713, 6293426, 12586852, 15733565, 25173704, 31467130, 62934260, 125868520]

約数ペア:

[(1, 125868520), (2, 62934260), (4, 31467130), (5, 25173704), (8, 15733565), (10, 12586852), (20, 6293426), (40, 3146713), (1571, 80120), (2003, 62840), (3142, 40060), (4006, 31420), (6284, 20030), (7855, 16024), (8012, 15710), (10015, 12568)]