82287640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{66361}}^1$

素因数の和:66403

約数の個数: 32

約数和(自身を含む): 191122560

約数和(自身を除く): 108834920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 66361, 132722, 265444, 331805, 530888, 663610, 1327220, 2057191, 2654440, 4114382, 8228764, 10285955, 16457528, 20571910, 41143820, 82287640]

約数ペア:

[(1, 82287640), (2, 41143820), (4, 20571910), (5, 16457528), (8, 10285955), (10, 8228764), (20, 4114382), (31, 2654440), (40, 2057191), (62, 1327220), (124, 663610), (155, 530888), (248, 331805), (310, 265444), (620, 132722), (1240, 66361)]