89720144

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{78979}}^1$

素因数の和:79058

約数の個数: 20

約数和(自身を含む): 176283360

約数和(自身を除く): 86563216

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 78979, 157958, 315916, 631832, 1263664, 5607509, 11215018, 22430036, 44860072, 89720144]

約数ペア:

[(1, 89720144), (2, 44860072), (4, 22430036), (8, 11215018), (16, 5607509), (71, 1263664), (142, 631832), (284, 315916), (568, 157958), (1136, 78979)]