51394480

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 124679520

約数和(自身を除く): 73285040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 97, 148, 179, 185, 194, 296, 358, 370, 388, 485, 592, 716, 740, 776, 895, 970, 1432, 1480, 1552, 1790, 1940, 2864, 2960, 3580, 3589, 3880, 6623, 7160, 7178, 7760, 13246, 14320, 14356, 17363, 17945, 26492, 28712, 33115, 34726, 35890, 52984, 57424, 66230, 69452, 71780, 86815, 105968, 132460, 138904, 143560, 173630, 264920, 277808, 287120, 347260, 529840, 642431, 694520, 1284862, 1389040, 2569724, 3212155, 5139448, 6424310, 10278896, 12848620, 25697240, 51394480]

約数ペア:

[(1, 51394480), (2, 25697240), (4, 12848620), (5, 10278896), (8, 6424310), (10, 5139448), (16, 3212155), (20, 2569724), (37, 1389040), (40, 1284862), (74, 694520), (80, 642431), (97, 529840), (148, 347260), (179, 287120), (185, 277808), (194, 264920), (296, 173630), (358, 143560), (370, 138904), (388, 132460), (485, 105968), (592, 86815), (716, 71780), (740, 69452), (776, 66230), (895, 57424), (970, 52984), (1432, 35890), (1480, 34726), (1552, 33115), (1790, 28712), (1940, 26492), (2864, 17945), (2960, 17363), (3580, 14356), (3589, 14320), (3880, 13246), (6623, 7760), (7160, 7178)]