25991020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:191

約数の個数: 96

約数和(自身を含む): 63737856

約数和(自身を除く): 37746836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 37, 44, 55, 62, 74, 103, 110, 124, 148, 155, 185, 206, 220, 310, 341, 370, 407, 412, 515, 620, 682, 740, 814, 1030, 1133, 1147, 1364, 1628, 1705, 2035, 2060, 2266, 2294, 3193, 3410, 3811, 4070, 4532, 4588, 5665, 5735, 6386, 6820, 7622, 8140, 11330, 11470, 12617, 12772, 15244, 15965, 19055, 22660, 22940, 25234, 31930, 35123, 38110, 41921, 50468, 63085, 63860, 70246, 76220, 83842, 118141, 126170, 140492, 167684, 175615, 209605, 236282, 252340, 351230, 419210, 472564, 590705, 702460, 838420, 1181410, 1299551, 2362820, 2599102, 5198204, 6497755, 12995510, 25991020]

約数ペア:

[(1, 25991020), (2, 12995510), (4, 6497755), (5, 5198204), (10, 2599102), (11, 2362820), (20, 1299551), (22, 1181410), (31, 838420), (37, 702460), (44, 590705), (55, 472564), (62, 419210), (74, 351230), (103, 252340), (110, 236282), (124, 209605), (148, 175615), (155, 167684), (185, 140492), (206, 126170), (220, 118141), (310, 83842), (341, 76220), (370, 70246), (407, 63860), (412, 63085), (515, 50468), (620, 41921), (682, 38110), (740, 35123), (814, 31930), (1030, 25234), (1133, 22940), (1147, 22660), (1364, 19055), (1628, 15965), (1705, 15244), (2035, 12772), (2060, 12617), (2266, 11470), (2294, 11330), (3193, 8140), (3410, 7622), (3811, 6820), (4070, 6386), (4532, 5735), (4588, 5665)]