25816840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{92203}}^1$

素因数の和:92221

約数の個数: 32

約数和(自身を含む): 66386880

約数和(自身を除く): 40570040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 92203, 184406, 368812, 461015, 645421, 737624, 922030, 1290842, 1844060, 2581684, 3227105, 3688120, 5163368, 6454210, 12908420, 25816840]

約数ペア:

[(1, 25816840), (2, 12908420), (4, 6454210), (5, 5163368), (7, 3688120), (8, 3227105), (10, 2581684), (14, 1844060), (20, 1290842), (28, 922030), (35, 737624), (40, 645421), (56, 461015), (70, 368812), (140, 184406), (280, 92203)]