9425720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3863}}^1$

素因数の和:3935

約数の個数: 32

約数和(自身を含む): 21561120

約数和(自身を除く): 12135400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 3863, 7726, 15452, 19315, 30904, 38630, 77260, 154520, 235643, 471286, 942572, 1178215, 1885144, 2356430, 4712860, 9425720]

約数ペア:

[(1, 9425720), (2, 4712860), (4, 2356430), (5, 1885144), (8, 1178215), (10, 942572), (20, 471286), (40, 235643), (61, 154520), (122, 77260), (244, 38630), (305, 30904), (488, 19315), (610, 15452), (1220, 7726), (2440, 3863)]