3997760

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:92

約数の個数: 84

約数和(自身を含む): 10593324

約数和(自身を除く): 6595564

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 961, 992, 1040, 1240, 1612, 1922, 1984, 2015, 2080, 2480, 3224, 3844, 4030, 4160, 4805, 4960, 6448, 7688, 8060, 9610, 9920, 12493, 12896, 15376, 16120, 19220, 24986, 25792, 30752, 32240, 38440, 49972, 61504, 62465, 64480, 76880, 99944, 124930, 128960, 153760, 199888, 249860, 307520, 399776, 499720, 799552, 999440, 1998880, 3997760]

約数ペア:

[(1, 3997760), (2, 1998880), (4, 999440), (5, 799552), (8, 499720), (10, 399776), (13, 307520), (16, 249860), (20, 199888), (26, 153760), (31, 128960), (32, 124930), (40, 99944), (52, 76880), (62, 64480), (64, 62465), (65, 61504), (80, 49972), (104, 38440), (124, 32240), (130, 30752), (155, 25792), (160, 24986), (208, 19220), (248, 16120), (260, 15376), (310, 12896), (320, 12493), (403, 9920), (416, 9610), (496, 8060), (520, 7688), (620, 6448), (806, 4960), (832, 4805), (961, 4160), (992, 4030), (1040, 3844), (1240, 3224), (1612, 2480), (1922, 2080), (1984, 2015)]