99619280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{65539}}^1$

素因数の和:65571

約数の個数: 40

約数和(自身を含む): 243808800

約数和(自身を除く): 144189520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 65539, 131078, 262156, 327695, 524312, 655390, 1048624, 1245241, 1310780, 2490482, 2621560, 4980964, 5243120, 6226205, 9961928, 12452410, 19923856, 24904820, 49809640, 99619280]

約数ペア:

[(1, 99619280), (2, 49809640), (4, 24904820), (5, 19923856), (8, 12452410), (10, 9961928), (16, 6226205), (19, 5243120), (20, 4980964), (38, 2621560), (40, 2490482), (76, 1310780), (80, 1245241), (95, 1048624), (152, 655390), (190, 524312), (304, 327695), (380, 262156), (760, 131078), (1520, 65539)]