25697140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{191}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 64060416

約数和(自身を除く): 38363276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 191, 217, 310, 382, 434, 620, 764, 868, 955, 961, 1085, 1337, 1910, 1922, 2170, 2674, 3820, 3844, 4340, 4805, 5348, 5921, 6685, 6727, 9610, 11842, 13370, 13454, 19220, 23684, 26740, 26908, 29605, 33635, 41447, 59210, 67270, 82894, 118420, 134540, 165788, 183551, 207235, 367102, 414470, 734204, 828940, 917755, 1284857, 1835510, 2569714, 3671020, 5139428, 6424285, 12848570, 25697140]

約数ペア:

[(1, 25697140), (2, 12848570), (4, 6424285), (5, 5139428), (7, 3671020), (10, 2569714), (14, 1835510), (20, 1284857), (28, 917755), (31, 828940), (35, 734204), (62, 414470), (70, 367102), (124, 207235), (140, 183551), (155, 165788), (191, 134540), (217, 118420), (310, 82894), (382, 67270), (434, 59210), (620, 41447), (764, 33635), (868, 29605), (955, 26908), (961, 26740), (1085, 23684), (1337, 19220), (1910, 13454), (1922, 13370), (2170, 11842), (2674, 9610), (3820, 6727), (3844, 6685), (4340, 5921), (4805, 5348)]