2245280680

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{920197}}^1$

素因数の和:920269

約数の個数: 32

約数和(自身を含む): 5134704840

約数和(自身を除く): 2889424160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 920197, 1840394, 3680788, 4600985, 7361576, 9201970, 18403940, 36807880, 56132017, 112264034, 224528068, 280660085, 449056136, 561320170, 1122640340, 2245280680]

約数ペア:

[(1, 2245280680), (2, 1122640340), (4, 561320170), (5, 449056136), (8, 280660085), (10, 224528068), (20, 112264034), (40, 56132017), (61, 36807880), (122, 18403940), (244, 9201970), (305, 7361576), (488, 4600985), (610, 3680788), (1220, 1840394), (2440, 920197)]