71639240

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{3739}}^1$

素因数の和:4229

約数の個数: 32

約数和(自身を含む): 161568000

約数和(自身を除く): 89928760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1916, 2395, 3739, 3832, 4790, 7478, 9580, 14956, 18695, 19160, 29912, 37390, 74780, 149560, 1790981, 3581962, 7163924, 8954905, 14327848, 17909810, 35819620, 71639240]

約数ペア:

[(1, 71639240), (2, 35819620), (4, 17909810), (5, 14327848), (8, 8954905), (10, 7163924), (20, 3581962), (40, 1790981), (479, 149560), (958, 74780), (1916, 37390), (2395, 29912), (3739, 19160), (3832, 18695), (4790, 14956), (7478, 9580)]