6504220

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{811}}^1$

素因数の和:1221

約数の個数: 24

約数和(自身を含む): 13709808

約数和(自身を除く): 7205588

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 811, 1604, 1622, 2005, 3244, 4010, 4055, 8020, 8110, 16220, 325211, 650422, 1300844, 1626055, 3252110, 6504220]

約数ペア:

[(1, 6504220), (2, 3252110), (4, 1626055), (5, 1300844), (10, 650422), (20, 325211), (401, 16220), (802, 8110), (811, 8020), (1604, 4055), (1622, 4010), (2005, 3244)]