13326280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{977}}^1$

素因数の和:1030

約数の個数: 64

約数和(自身を含む): 33799680

約数和(自身を除く): 20473400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 977, 1240, 1364, 1705, 1954, 2728, 3410, 3908, 4885, 6820, 7816, 9770, 10747, 13640, 19540, 21494, 30287, 39080, 42988, 53735, 60574, 85976, 107470, 121148, 151435, 214940, 242296, 302870, 333157, 429880, 605740, 666314, 1211480, 1332628, 1665785, 2665256, 3331570, 6663140, 13326280]

約数ペア:

[(1, 13326280), (2, 6663140), (4, 3331570), (5, 2665256), (8, 1665785), (10, 1332628), (11, 1211480), (20, 666314), (22, 605740), (31, 429880), (40, 333157), (44, 302870), (55, 242296), (62, 214940), (88, 151435), (110, 121148), (124, 107470), (155, 85976), (220, 60574), (248, 53735), (310, 42988), (341, 39080), (440, 30287), (620, 21494), (682, 19540), (977, 13640), (1240, 10747), (1364, 9770), (1705, 7816), (1954, 6820), (2728, 4885), (3410, 3908)]