80816876

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1$

素因数の和:379

約数の個数: 72

約数和(自身を含む): 174053376

約数和(自身を除く): 93236500

約数列:

[1, 2, 4, 7, 14, 28, 31, 47, 49, 62, 94, 98, 124, 188, 196, 217, 283, 329, 434, 566, 658, 868, 1132, 1316, 1457, 1519, 1981, 2303, 2914, 3038, 3962, 4606, 5828, 6076, 7924, 8773, 9212, 10199, 13301, 13867, 17546, 20398, 26602, 27734, 35092, 40796, 53204, 55468, 61411, 71393, 93107, 122822, 142786, 186214, 245644, 285572, 372428, 412331, 429877, 651749, 824662, 859754, 1303498, 1649324, 1719508, 2606996, 2886317, 5772634, 11545268, 20204219, 40408438, 80816876]

約数ペア:

[(1, 80816876), (2, 40408438), (4, 20204219), (7, 11545268), (14, 5772634), (28, 2886317), (31, 2606996), (47, 1719508), (49, 1649324), (62, 1303498), (94, 859754), (98, 824662), (124, 651749), (188, 429877), (196, 412331), (217, 372428), (283, 285572), (329, 245644), (434, 186214), (566, 142786), (658, 122822), (868, 93107), (1132, 71393), (1316, 61411), (1457, 55468), (1519, 53204), (1981, 40796), (2303, 35092), (2914, 27734), (3038, 26602), (3962, 20398), (4606, 17546), (5828, 13867), (6076, 13301), (7924, 10199), (8773, 9212)]