51210640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1201}}^1$

素因数の和:1268

約数の個数: 80

約数和(自身を含む): 131460336

約数和(自身を除く): 80249696

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 820, 1040, 1066, 1201, 1640, 2132, 2402, 2665, 3280, 4264, 4804, 5330, 6005, 8528, 9608, 10660, 12010, 15613, 19216, 21320, 24020, 31226, 42640, 48040, 49241, 62452, 78065, 96080, 98482, 124904, 156130, 196964, 246205, 249808, 312260, 393928, 492410, 624520, 640133, 787856, 984820, 1249040, 1280266, 1969640, 2560532, 3200665, 3939280, 5121064, 6401330, 10242128, 12802660, 25605320, 51210640]

約数ペア:

[(1, 51210640), (2, 25605320), (4, 12802660), (5, 10242128), (8, 6401330), (10, 5121064), (13, 3939280), (16, 3200665), (20, 2560532), (26, 1969640), (40, 1280266), (41, 1249040), (52, 984820), (65, 787856), (80, 640133), (82, 624520), (104, 492410), (130, 393928), (164, 312260), (205, 249808), (208, 246205), (260, 196964), (328, 156130), (410, 124904), (520, 98482), (533, 96080), (656, 78065), (820, 62452), (1040, 49241), (1066, 48040), (1201, 42640), (1640, 31226), (2132, 24020), (2402, 21320), (2665, 19216), (3280, 15613), (4264, 12010), (4804, 10660), (5330, 9608), (6005, 8528)]