68688.00000000

素因数分解:

$2^4\times 5^4\times {\mathrm{2801}}^1$

素因数の和:2829

約数の個数: 50

約数和(自身を含む): 67839222

約数和(自身を除く): 39829222

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 2801, 5000, 5602, 10000, 11204, 14005, 22408, 28010, 44816, 56020, 70025, 112040, 140050, 224080, 280100, 350125, 560200, 700250, 1120400, 1400500, 1750625, 2801000, 3501250, 5602000, 7002500, 14005000, 28010000]

約数ペア:

[(1, 28010000), (2, 14005000), (4, 7002500), (5, 5602000), (8, 3501250), (10, 2801000), (16, 1750625), (20, 1400500), (25, 1120400), (40, 700250), (50, 560200), (80, 350125), (100, 280100), (125, 224080), (200, 140050), (250, 112040), (400, 70025), (500, 56020), (625, 44816), (1000, 28010), (1250, 22408), (2000, 14005), (2500, 11204), (2801, 10000), (5000, 5602)]