25002680

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10247}}^1$

素因数の和:10319

約数の個数: 32

約数和(自身を含む): 57183840

約数和(自身を除く): 32181160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 10247, 20494, 40988, 51235, 81976, 102470, 204940, 409880, 625067, 1250134, 2500268, 3125335, 5000536, 6250670, 12501340, 25002680]

約数ペア:

[(1, 25002680), (2, 12501340), (4, 6250670), (5, 5000536), (8, 3125335), (10, 2500268), (20, 1250134), (40, 625067), (61, 409880), (122, 204940), (244, 102470), (305, 81976), (488, 51235), (610, 40988), (1220, 20494), (2440, 10247)]