1025732080

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{210191}}^1$

素因数の和:210265

約数の個数: 40

約数和(自身を含む): 2423934144

約数和(自身を除く): 1398202064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 210191, 420382, 840764, 1050955, 1681528, 2101910, 3363056, 4203820, 8407640, 12821651, 16815280, 25643302, 51286604, 64108255, 102573208, 128216510, 205146416, 256433020, 512866040, 1025732080]

約数ペア:

[(1, 1025732080), (2, 512866040), (4, 256433020), (5, 205146416), (8, 128216510), (10, 102573208), (16, 64108255), (20, 51286604), (40, 25643302), (61, 16815280), (80, 12821651), (122, 8407640), (244, 4203820), (305, 3363056), (488, 2101910), (610, 1681528), (976, 1050955), (1220, 840764), (2440, 420382), (4880, 210191)]