25063640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89513}}^1$

素因数の和:89531

約数の個数: 32

約数和(自身を含む): 64450080

約数和(自身を除く): 39386440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 89513, 179026, 358052, 447565, 626591, 716104, 895130, 1253182, 1790260, 2506364, 3132955, 3580520, 5012728, 6265910, 12531820, 25063640]

約数ペア:

[(1, 25063640), (2, 12531820), (4, 6265910), (5, 5012728), (7, 3580520), (8, 3132955), (10, 2506364), (14, 1790260), (20, 1253182), (28, 895130), (35, 716104), (40, 626591), (56, 447565), (70, 358052), (140, 179026), (280, 89513)]