102157840

素因数分解:

$2^4\times 5^1\times {\mathrm{1276973}}^1$

素因数の和:1276986

約数の個数: 20

約数和(自身を含む): 237517164

約数和(自身を除く): 135359324

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1276973, 2553946, 5107892, 6384865, 10215784, 12769730, 20431568, 25539460, 51078920, 102157840]

約数ペア:

[(1, 102157840), (2, 51078920), (4, 25539460), (5, 20431568), (8, 12769730), (10, 10215784), (16, 6384865), (20, 5107892), (40, 2553946), (80, 1276973)]