40948900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 92806560

約数和(自身を除く): 51857660

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 89, 100, 107, 172, 178, 214, 215, 356, 428, 430, 445, 535, 860, 890, 1070, 1075, 1780, 2140, 2150, 2225, 2675, 3827, 4300, 4450, 4601, 5350, 7654, 8900, 9202, 9523, 10700, 15308, 18404, 19046, 19135, 23005, 38092, 38270, 46010, 47615, 76540, 92020, 95230, 95675, 115025, 190460, 191350, 230050, 238075, 382700, 409489, 460100, 476150, 818978, 952300, 1637956, 2047445, 4094890, 8189780, 10237225, 20474450, 40948900]

約数ペア:

[(1, 40948900), (2, 20474450), (4, 10237225), (5, 8189780), (10, 4094890), (20, 2047445), (25, 1637956), (43, 952300), (50, 818978), (86, 476150), (89, 460100), (100, 409489), (107, 382700), (172, 238075), (178, 230050), (214, 191350), (215, 190460), (356, 115025), (428, 95675), (430, 95230), (445, 92020), (535, 76540), (860, 47615), (890, 46010), (1070, 38270), (1075, 38092), (1780, 23005), (2140, 19135), (2150, 19046), (2225, 18404), (2675, 15308), (3827, 10700), (4300, 9523), (4450, 9202), (4601, 8900), (5350, 7654)]