2019977489360

素因数分解:

$2^4\times 5^1\times {\mathrm{11969}}^1\times {\mathrm{2109593}}^1$

素因数の和:2121575

約数の個数: 40

約数和(自身を含む): 4696842273480

約数和(自身を除く): 2676864784120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 11969, 23938, 47876, 59845, 95752, 119690, 191504, 239380, 478760, 957520, 2109593, 4219186, 8438372, 10547965, 16876744, 21095930, 33753488, 42191860, 84383720, 168767440, 25249718617, 50499437234, 100998874468, 126248593085, 201997748936, 252497186170, 403995497872, 504994372340, 1009988744680, 2019977489360]

約数ペア:

[(1, 2019977489360), (2, 1009988744680), (4, 504994372340), (5, 403995497872), (8, 252497186170), (10, 201997748936), (16, 126248593085), (20, 100998874468), (40, 50499437234), (80, 25249718617), (11969, 168767440), (23938, 84383720), (47876, 42191860), (59845, 33753488), (95752, 21095930), (119690, 16876744), (191504, 10547965), (239380, 8438372), (478760, 4219186), (957520, 2109593)]