42004240

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4817}}^1$

素因数の和:4939

約数の個数: 40

約数和(自身を含む): 98576280

約数和(自身を除く): 56572040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 4817, 8720, 9634, 19268, 24085, 38536, 48170, 77072, 96340, 192680, 385360, 525053, 1050106, 2100212, 2625265, 4200424, 5250530, 8400848, 10501060, 21002120, 42004240]

約数ペア:

[(1, 42004240), (2, 21002120), (4, 10501060), (5, 8400848), (8, 5250530), (10, 4200424), (16, 2625265), (20, 2100212), (40, 1050106), (80, 525053), (109, 385360), (218, 192680), (436, 96340), (545, 77072), (872, 48170), (1090, 38536), (1744, 24085), (2180, 19268), (4360, 9634), (4817, 8720)]