78902860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{96223}}^1$

素因数の和:96273

約数の個数: 24

約数和(自身を含む): 169739136

約数和(自身を除く): 90836276

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 96223, 192446, 384892, 481115, 962230, 1924460, 3945143, 7890286, 15780572, 19725715, 39451430, 78902860]

約数ペア:

[(1, 78902860), (2, 39451430), (4, 19725715), (5, 15780572), (10, 7890286), (20, 3945143), (41, 1924460), (82, 962230), (164, 481115), (205, 384892), (410, 192446), (820, 96223)]