10889720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4463}}^1$

素因数の和:4535

約数の個数: 32

約数和(自身を含む): 24909120

約数和(自身を除く): 14019400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 4463, 8926, 17852, 22315, 35704, 44630, 89260, 178520, 272243, 544486, 1088972, 1361215, 2177944, 2722430, 5444860, 10889720]

約数ペア:

[(1, 10889720), (2, 5444860), (4, 2722430), (5, 2177944), (8, 1361215), (10, 1088972), (20, 544486), (40, 272243), (61, 178520), (122, 89260), (244, 44630), (305, 35704), (488, 22315), (610, 17852), (1220, 8926), (2440, 4463)]