49711880

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 115473600

約数和(自身を除く): 65761720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 131, 179, 212, 262, 265, 358, 424, 524, 530, 655, 716, 895, 1048, 1060, 1310, 1432, 1790, 2120, 2620, 3580, 5240, 6943, 7160, 9487, 13886, 18974, 23449, 27772, 34715, 37948, 46898, 47435, 55544, 69430, 75896, 93796, 94870, 117245, 138860, 187592, 189740, 234490, 277720, 379480, 468980, 937960, 1242797, 2485594, 4971188, 6213985, 9942376, 12427970, 24855940, 49711880]

約数ペア:

[(1, 49711880), (2, 24855940), (4, 12427970), (5, 9942376), (8, 6213985), (10, 4971188), (20, 2485594), (40, 1242797), (53, 937960), (106, 468980), (131, 379480), (179, 277720), (212, 234490), (262, 189740), (265, 187592), (358, 138860), (424, 117245), (524, 94870), (530, 93796), (655, 75896), (716, 69430), (895, 55544), (1048, 47435), (1060, 46898), (1310, 37948), (1432, 34715), (1790, 27772), (2120, 23449), (2620, 18974), (3580, 13886), (5240, 9487), (6943, 7160)]