159968482040

素因数分解:

$2^3\times 5^1\times {\mathrm{18199}}^1\times {\mathrm{219749}}^1$

素因数の和:237959

約数の個数: 32

約数和(自身を含む): 359950500000

約数和(自身を除く): 199982017960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 18199, 36398, 72796, 90995, 145592, 181990, 219749, 363980, 439498, 727960, 878996, 1098745, 1757992, 2197490, 4394980, 8789960, 3999212051, 7998424102, 15996848204, 19996060255, 31993696408, 39992120510, 79984241020, 159968482040]

約数ペア:

[(1, 159968482040), (2, 79984241020), (4, 39992120510), (5, 31993696408), (8, 19996060255), (10, 15996848204), (20, 7998424102), (40, 3999212051), (18199, 8789960), (36398, 4394980), (72796, 2197490), (90995, 1757992), (145592, 1098745), (181990, 878996), (219749, 727960), (363980, 439498)]