25989880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{92821}}^1$

素因数の和:92839

約数の個数: 32

約数和(自身を含む): 66831840

約数和(自身を除く): 40841960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 92821, 185642, 371284, 464105, 649747, 742568, 928210, 1299494, 1856420, 2598988, 3248735, 3712840, 5197976, 6497470, 12994940, 25989880]

約数ペア:

[(1, 25989880), (2, 12994940), (4, 6497470), (5, 5197976), (7, 3712840), (8, 3248735), (10, 2598988), (14, 1856420), (20, 1299494), (28, 928210), (35, 742568), (40, 649747), (56, 464105), (70, 371284), (140, 185642), (280, 92821)]