31505938120

素因数分解:

$2^3\times 5^1\times {\mathrm{41453}}^1\times {\mathrm{19001}}^1$

素因数の和:60465

約数の個数: 32

約数和(自身を含む): 70893801720

約数和(自身を除く): 39387863600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 19001, 38002, 41453, 76004, 82906, 95005, 152008, 165812, 190010, 207265, 331624, 380020, 414530, 760040, 829060, 1658120, 787648453, 1575296906, 3150593812, 3938242265, 6301187624, 7876484530, 15752969060, 31505938120]

約数ペア:

[(1, 31505938120), (2, 15752969060), (4, 7876484530), (5, 6301187624), (8, 3938242265), (10, 3150593812), (20, 1575296906), (40, 787648453), (19001, 1658120), (38002, 829060), (41453, 760040), (76004, 414530), (82906, 380020), (95005, 331624), (152008, 207265), (165812, 190010)]