7995520

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:94

約数の個数: 96

約数和(自身を含む): 21270060

約数和(自身を除く): 13274540

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 640, 806, 832, 961, 992, 1040, 1240, 1612, 1664, 1922, 1984, 2015, 2080, 2480, 3224, 3844, 3968, 4030, 4160, 4805, 4960, 6448, 7688, 8060, 8320, 9610, 9920, 12493, 12896, 15376, 16120, 19220, 19840, 24986, 25792, 30752, 32240, 38440, 49972, 51584, 61504, 62465, 64480, 76880, 99944, 123008, 124930, 128960, 153760, 199888, 249860, 257920, 307520, 399776, 499720, 615040, 799552, 999440, 1599104, 1998880, 3997760, 7995520]

約数ペア:

[(1, 7995520), (2, 3997760), (4, 1998880), (5, 1599104), (8, 999440), (10, 799552), (13, 615040), (16, 499720), (20, 399776), (26, 307520), (31, 257920), (32, 249860), (40, 199888), (52, 153760), (62, 128960), (64, 124930), (65, 123008), (80, 99944), (104, 76880), (124, 64480), (128, 62465), (130, 61504), (155, 51584), (160, 49972), (208, 38440), (248, 32240), (260, 30752), (310, 25792), (320, 24986), (403, 19840), (416, 19220), (496, 16120), (520, 15376), (620, 12896), (640, 12493), (806, 9920), (832, 9610), (961, 8320), (992, 8060), (1040, 7688), (1240, 6448), (1612, 4960), (1664, 4805), (1922, 4160), (1984, 4030), (2015, 3968), (2080, 3844), (2480, 3224)]