84010840

素因数分解:

$2^3\times 5^1\times {\mathrm{1283}}^1\times {\mathrm{1637}}^1$

素因数の和:2931

約数の個数: 32

約数和(自身を含む): 189287280

約数和(自身を除く): 105276440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1283, 1637, 2566, 3274, 5132, 6415, 6548, 8185, 10264, 12830, 13096, 16370, 25660, 32740, 51320, 65480, 2100271, 4200542, 8401084, 10501355, 16802168, 21002710, 42005420, 84010840]

約数ペア:

[(1, 84010840), (2, 42005420), (4, 21002710), (5, 16802168), (8, 10501355), (10, 8401084), (20, 4200542), (40, 2100271), (1283, 65480), (1637, 51320), (2566, 32740), (3274, 25660), (5132, 16370), (6415, 13096), (6548, 12830), (8185, 10264)]