68947160

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{3739}}^1$

素因数の和:4211

約数の個数: 32

約数和(自身を含む): 155509200

約数和(自身を除く): 86562040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1844, 2305, 3688, 3739, 4610, 7478, 9220, 14956, 18440, 18695, 29912, 37390, 74780, 149560, 1723679, 3447358, 6894716, 8618395, 13789432, 17236790, 34473580, 68947160]

約数ペア:

[(1, 68947160), (2, 34473580), (4, 17236790), (5, 13789432), (8, 8618395), (10, 6894716), (20, 3447358), (40, 1723679), (461, 149560), (922, 74780), (1844, 37390), (2305, 29912), (3688, 18695), (3739, 18440), (4610, 14956), (7478, 9220)]