80002090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{16097}}^1$

素因数の和:16182

約数の個数: 32

約数和(自身を含む): 166904064

約数和(自身を除く): 86901974

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 16097, 32194, 80485, 112679, 160970, 225358, 563395, 1126790, 1142887, 2285774, 5714435, 8000209, 11428870, 16000418, 40001045, 80002090]

約数ペア:

[(1, 80002090), (2, 40001045), (5, 16000418), (7, 11428870), (10, 8000209), (14, 5714435), (35, 2285774), (70, 1142887), (71, 1126790), (142, 563395), (355, 225358), (497, 160970), (710, 112679), (994, 80485), (2485, 32194), (4970, 16097)]