71425240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{57601}}^1$

素因数の和:57643

約数の個数: 32

約数和(自身を含む): 165893760

約数和(自身を除く): 94468520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 57601, 115202, 230404, 288005, 460808, 576010, 1152020, 1785631, 2304040, 3571262, 7142524, 8928155, 14285048, 17856310, 35712620, 71425240]

約数ペア:

[(1, 71425240), (2, 35712620), (4, 17856310), (5, 14285048), (8, 8928155), (10, 7142524), (20, 3571262), (31, 2304040), (40, 1785631), (62, 1152020), (124, 576010), (155, 460808), (248, 288005), (310, 230404), (620, 115202), (1240, 57601)]