84657220

素因数分解:

$2^2\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{3389}}^1$

素因数の和:4647

約数の個数: 24

約数和(自身を含む): 177975000

約数和(自身を除く): 93317780

約数列:

[1, 2, 4, 5, 10, 20, 1249, 2498, 3389, 4996, 6245, 6778, 12490, 13556, 16945, 24980, 33890, 67780, 4232861, 8465722, 16931444, 21164305, 42328610, 84657220]

約数ペア:

[(1, 84657220), (2, 42328610), (4, 21164305), (5, 16931444), (10, 8465722), (20, 4232861), (1249, 67780), (2498, 33890), (3389, 24980), (4996, 16945), (6245, 13556), (6778, 12490)]