2420209840

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{277547}}^1$

素因数の和:277669

約数の個数: 40

約数和(自身を含む): 5678632080

約数和(自身を除く): 3258422240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 277547, 555094, 1110188, 1387735, 2220376, 2775470, 4440752, 5550940, 11101880, 22203760, 30252623, 60505246, 121010492, 151263115, 242020984, 302526230, 484041968, 605052460, 1210104920, 2420209840]

約数ペア:

[(1, 2420209840), (2, 1210104920), (4, 605052460), (5, 484041968), (8, 302526230), (10, 242020984), (16, 151263115), (20, 121010492), (40, 60505246), (80, 30252623), (109, 22203760), (218, 11101880), (436, 5550940), (545, 4440752), (872, 2775470), (1090, 2220376), (1744, 1387735), (2180, 1110188), (4360, 555094), (8720, 277547)]