1320221645

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{1619}}^1\times {\mathrm{5261}}^1$

素因数の和:6916

約数の個数: 16

約数和(自身を含む): 1636692480

約数和(自身を除く): 316470835

約数列:

[1, 5, 31, 155, 1619, 5261, 8095, 26305, 50189, 163091, 250945, 815455, 8517559, 42587795, 264044329, 1320221645]

約数ペア:

[(1, 1320221645), (5, 264044329), (31, 42587795), (155, 8517559), (1619, 815455), (5261, 250945), (8095, 163091), (26305, 50189)]