3944720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3793}}^1$

素因数の和:3819

約数の個数: 40

約数和(自身を含む): 9879576

約数和(自身を除く): 5934856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 3793, 7586, 15172, 18965, 30344, 37930, 49309, 60688, 75860, 98618, 151720, 197236, 246545, 303440, 394472, 493090, 788944, 986180, 1972360, 3944720]

約数ペア:

[(1, 3944720), (2, 1972360), (4, 986180), (5, 788944), (8, 493090), (10, 394472), (13, 303440), (16, 246545), (20, 197236), (26, 151720), (40, 98618), (52, 75860), (65, 60688), (80, 49309), (104, 37930), (130, 30344), (208, 18965), (260, 15172), (520, 7586), (1040, 3793)]