25553680

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:236

約数の個数: 80

約数和(自身を含む): 62339760

約数和(自身を除く): 36786080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 89, 97, 148, 178, 185, 194, 296, 356, 370, 388, 445, 485, 592, 712, 740, 776, 890, 970, 1424, 1480, 1552, 1780, 1940, 2960, 3293, 3560, 3589, 3880, 6586, 7120, 7178, 7760, 8633, 13172, 14356, 16465, 17266, 17945, 26344, 28712, 32930, 34532, 35890, 43165, 52688, 57424, 65860, 69064, 71780, 86330, 131720, 138128, 143560, 172660, 263440, 287120, 319421, 345320, 638842, 690640, 1277684, 1597105, 2555368, 3194210, 5110736, 6388420, 12776840, 25553680]

約数ペア:

[(1, 25553680), (2, 12776840), (4, 6388420), (5, 5110736), (8, 3194210), (10, 2555368), (16, 1597105), (20, 1277684), (37, 690640), (40, 638842), (74, 345320), (80, 319421), (89, 287120), (97, 263440), (148, 172660), (178, 143560), (185, 138128), (194, 131720), (296, 86330), (356, 71780), (370, 69064), (388, 65860), (445, 57424), (485, 52688), (592, 43165), (712, 35890), (740, 34532), (776, 32930), (890, 28712), (970, 26344), (1424, 17945), (1480, 17266), (1552, 16465), (1780, 14356), (1940, 13172), (2960, 8633), (3293, 7760), (3560, 7178), (3589, 7120), (3880, 6586)]