69888440

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{6961}}^1$

素因数の和:7223

約数の個数: 32

約数和(自身を含む): 157898160

約数和(自身を除く): 88009720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 6961, 10040, 13922, 27844, 34805, 55688, 69610, 139220, 278440, 1747211, 3494422, 6988844, 8736055, 13977688, 17472110, 34944220, 69888440]

約数ペア:

[(1, 69888440), (2, 34944220), (4, 17472110), (5, 13977688), (8, 8736055), (10, 6988844), (20, 3494422), (40, 1747211), (251, 278440), (502, 139220), (1004, 69610), (1255, 55688), (2008, 34805), (2510, 27844), (5020, 13922), (6961, 10040)]