40528260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{225157}}^1$

素因数の和:225172

約数の個数: 36

約数和(自身を含む): 122936268

約数和(自身を除く): 82408008

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 225157, 450314, 675471, 900628, 1125785, 1350942, 2026413, 2251570, 2701884, 3377355, 4052826, 4503140, 6754710, 8105652, 10132065, 13509420, 20264130, 40528260]

約数ペア:

[(1, 40528260), (2, 20264130), (3, 13509420), (4, 10132065), (5, 8105652), (6, 6754710), (9, 4503140), (10, 4052826), (12, 3377355), (15, 2701884), (18, 2251570), (20, 2026413), (30, 1350942), (36, 1125785), (45, 900628), (60, 675471), (90, 450314), (180, 225157)]