7889440

素因数分解:

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

素因数の和:3821

約数の個数: 48

約数和(自身を含む): 20077848

約数和(自身を除く): 12188408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 3793, 7586, 15172, 18965, 30344, 37930, 49309, 60688, 75860, 98618, 121376, 151720, 197236, 246545, 303440, 394472, 493090, 606880, 788944, 986180, 1577888, 1972360, 3944720, 7889440]

約数ペア:

[(1, 7889440), (2, 3944720), (4, 1972360), (5, 1577888), (8, 986180), (10, 788944), (13, 606880), (16, 493090), (20, 394472), (26, 303440), (32, 246545), (40, 197236), (52, 151720), (65, 121376), (80, 98618), (104, 75860), (130, 60688), (160, 49309), (208, 37930), (260, 30344), (416, 18965), (520, 15172), (1040, 7586), (2080, 3793)]